How to Write a Book Summary (Template & Examples)
A book summary is a concise written account of a book’s main content — its key ideas, argument, plot, or findings — presented in your own words. It is shorter than the original work, neutral in tone, and accurate to the source. Depending on the purpose, a book summary might cover an entire book in one paragraph, one page, or a few pages. This guide explains how to write a book summary step by step, with a template and examples for both fiction and nonfiction.
For the underlying skill — distilling any longer text into its essential points — see our guide on how to write a summary.
Book summary vs. book review vs. book report
| Book summary | Book review | Book report | |
|---|---|---|---|
| Purpose | Condense the content | Evaluate the quality | Demonstrate comprehension |
| Opinion included? | No | Yes | Minimal |
| Audience | Anyone who needs the content fast | Potential readers | Teachers, instructors |
| Length | Variable | Usually 300–800 words | Usually 1–3 pages |
A book summary is purely informative. It does not judge the book or offer the writer’s opinion — it reports what the book contains.
What to include in a book summary
For nonfiction:
- The book’s central argument or thesis
- The main supporting points or evidence
- Key examples or case studies that illustrate the argument
- The author’s conclusions
For fiction:
- The main characters (protagonist and key supporting characters)
- The central conflict
- The major plot events (beginning, middle, and end)
- The resolution or outcome
What to leave out: minor subplots, secondary characters who do not affect the main plot, detailed descriptions, and any information that is not essential to understanding the book’s core content.
How to write a book summary
Step 1: Read the book actively
Summarize as you read — do not wait until you finish. For each chapter or section:
- Note the main idea in one sentence
- List the key supporting points or events
- Flag any key quotes or examples you might reference
Active reading while summarizing is significantly faster than re-reading to find what you missed. For nonfiction, the introduction and conclusion of each chapter usually contain the main ideas; skimming those carefully while reading the middle in more detail is an efficient approach.
Step 2: Identify the book’s central point
Before you write, state the book’s central idea or argument in one sentence. This becomes the spine of your summary.
Nonfiction:
“Atomic Habits” by James Clear argues that lasting behavior change comes not from setting big goals but from making small, system-level adjustments to daily habits.
Fiction:
“Of Mice and Men” by John Steinbeck follows two migrant workers whose dream of owning a farm is destroyed by poverty, discrimination, and a tragic accident.
If you cannot state the book’s central point in one sentence, you do not yet understand it well enough to summarize it.
Step 3: Outline the main points
For nonfiction, list the book’s three to five main arguments or sections, in order. For fiction, list the key plot events in chronological order.
Keep the outline at the level of chapters or major sections — not individual paragraphs or scenes.
Example (nonfiction outline — “Atomic Habits”):
- Habits form through a four-stage loop: cue, craving, response, reward
- Small changes compound — 1% better every day produces dramatic long-term results
- Identity change drives habit change (become the person who does X, not just do X)
- Practical tactics: habit stacking, environment design, friction reduction
Example (fiction outline — “Of Mice and Men”):
- George and Lennie arrive at a ranch in California looking for work
- Lennie’s physical strength and mental disability create conflict with other workers
- George and Lennie befriend Candy and share their dream of owning a farm
- Lennie accidentally kills Curley’s wife; the other workers organize to find him
- George finds Lennie first and shoots him to spare him from a violent death at others’ hands
Step 4: Write the summary
Begin with a sentence that identifies the book and its central point. Then develop the main points in the order you outlined them. End with the book’s conclusion or outcome.
Write in third person, present tense: “The author argues…” not “The author argued…” For fiction, write “Lennie kills the puppy,” not “Lennie killed.”
Keep each main point to one to three sentences. The goal is precision, not thoroughness.
Step 5: Review for accuracy and completeness
Read your summary against the book (or your notes):
- Have you captured the central argument or plot?
- Have you represented the author’s position fairly — not added your own interpretation?
- Have any important points been left out or misrepresented?
- Is the length appropriate for your purpose?
Cut anything that is not essential. A summary that includes minor details at the expense of major ones has lost the point.
Book summary template
[Title] by [Author] ([Year])
[One sentence stating the book’s central argument, theme, or premise.]
[Main point 1 — one to two sentences. For fiction: the setup and inciting incident. For nonfiction: the first major argument or section.]
[Main point 2 — one to two sentences. For fiction: the central conflict and complications. For nonfiction: the core argument with supporting evidence.]
[Main point 3 — one to two sentences. For fiction: the climax and turning point. For nonfiction: key examples or case studies.]
[Conclusion — one to two sentences. For fiction: the resolution. For nonfiction: the author’s conclusions and key takeaways.]
Book summary examples
Nonfiction example: “Thinking, Fast and Slow” by Daniel Kahneman (2011)
Daniel Kahneman’s Thinking, Fast and Slow presents a theory of two cognitive systems that govern human thought: System 1, which is fast, intuitive, and largely unconscious, and System 2, which is slow, deliberate, and effortful.
System 1 operates automatically, relying on heuristics and pattern recognition to make quick judgments. While efficient, it is prone to systematic errors — cognitive biases — that Kahneman catalogs throughout the book, including anchoring, availability bias, and the planning fallacy. System 2, by contrast, handles complex reasoning and conscious decision-making, but it requires significant mental effort and is easily overridden by System 1.
Kahneman argues that understanding the interplay between these systems is essential for making better decisions in business, medicine, economics, and daily life. The book concludes with an analysis of how people evaluate their experiences and how the “remembering self” (which constructs narratives and memories) often diverges from the “experiencing self” (which lives in the moment). This divergence has implications for how we measure wellbeing and make choices that affect our future selves.
Fiction example: “The Handmaid’s Tale” by Margaret Atwood (1985)
The Handmaid’s Tale is set in Gilead, a near-future theocratic dictatorship built on the ruins of the United States, where a collapse in birth rates has led to a rigid caste system in which fertile women — called Handmaids — are assigned to powerful men for the purpose of reproduction.
The narrator, known only as Offred, is a Handmaid assigned to a Commander and his wife. She has no rights, no name of her own, and no ability to read, work, or move freely. The novel follows her daily life in Gilead — the rituals, the surveillance, the carefully controlled relationships — and her private memories of the husband and daughter she lost when the regime took power.
Through a covert resistance network, Offred begins to see the cracks in Gilead’s structure, including a black market, secret relationships, and organized resistance. The novel ends ambiguously, with Offred taken away in a van — it is unclear whether she is being arrested or rescued. A historical note appended to the novel suggests that Gilead eventually fell, and that Offred’s story survived as a found document.
How long should a book summary be?
| Purpose | Length |
|---|---|
| Personal reference notes | 1–3 paragraphs |
| Academic assignment | 1–2 pages |
| Publisher or agent submission | Usually 250–500 words |
| Back-cover copy / catalog description | 100–150 words |
| Online review platform | 100–300 words |
There is no universal right length. The summary should be long enough to cover the essential content and short enough to be read quickly. If the original book is 300 pages and your summary is 10 pages, it is not a summary — it is an outline.
Use AI to generate a first-draft book summary
If you have access to the book’s text or a digital version, paste a chapter or section into our free AI text summarizer to get a condensed read-back of the key ideas. This works especially well for dense nonfiction — you can quickly identify which arguments each chapter makes before writing your own summary in your own words.
Frequently asked questions
What is a book summary? A book summary is a concise, accurate account of a book’s main content — key arguments, plot, or findings — written in your own words. It does not include the writer’s opinion (that would be a book review).
How long should a book summary be? It depends on the purpose. Personal notes can be one to three paragraphs. Academic summaries are typically one to two pages. Publisher submission summaries are usually 250–500 words.
What is the difference between a book summary and a book review? A book summary reports what the book contains, neutrally and without opinion. A book review evaluates the book’s quality and includes the reviewer’s judgment about its strengths and weaknesses.
How do you summarize a nonfiction book? Identify the central argument, list the main supporting points in order, note key examples, and state the author’s conclusions. Write in present tense, third person, without adding your own interpretation or evaluation.
How do you summarize a fiction book? Identify the main characters, the central conflict, the key plot events in order, and the resolution. Focus on what drives the story — character decisions and their consequences — not detailed descriptions or minor subplots.