How to read non-fiction: a method that helps you remember
A practical way to read non-fiction books: set questions first, read for the argument, test yourself after each chapter and space your review.
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Short answer
Read non-fiction with a question in mind, read for the argument instead of every word, and close the book after each chapter to say what you remember. Learning research rates practice testing and spaced review as the most useful study techniques and rates rereading and highlighting as low utility.
Choose this if
Reading the whole book with a notebook is the best way when the book matters to you and you want to understand the argument.
Choose the other option if
IQumi helps when you want a quick, original summary of a book's ideas first, or a short lesson in a spare minute, before you decide which books deserve your time.
At a glance
| Feature | Book and notebook | IQumi |
|---|---|---|
| Gives you the author's full argument | Yes | Noshort lessons of the main ideas |
| Lets you recall in your own words | Yesif you write it down | Nolessons are for reading or watching |
| Previews a book in minutes | Partlywith contents and intro | Yesone idea, an example and a takeaway at a time |
| Covers the book you want | Yesany book | Partly100 books to start |
| Remembers where you stopped | Partlywith a bookmark | Yesin a library |
| Format | Pages, text only | Reels or readable summaries |
| Availability | Any bookstore or library | One idea, one example and one takeaway per lesson |
Start with a question, then preview
Before you open chapter one, write two or three questions you want the book to answer. Why this book, and what would you like to be able to do or explain when you finish? A question gives you something to look for, so the page stops being a wall of text.
Then spend five minutes on the structure: the contents, the introduction, the conclusion and the chapter headings. You will know the author's claim and the order of the argument before you read the details. This is a practical habit rather than a studied technique, and it costs very little.
Read for the argument
Most non-fiction has a central claim, a few supporting reasons and many examples. Read to find the claim and the reasons. When an example repeats a point you already have, you can skim it, and when a chapter does not serve your question you can skim or skip it. A book you skim is a book you have previewed, not one you have read.
As you read, stop at a point that surprises you and ask why it is true. The learning review by Dunlosky and colleagues rates two techniques of this kind, elaborative interrogation and self-explanation, as moderate utility. The authors say they show promise but the evidence is limited.
Close the book and recall
The most useful habit is simple. When you finish a chapter, close the book and write or say what you remember: the main claim, two reasons and one example. Then open the book and check what you missed.
This works because retrieving a memory strengthens it. In a 2006 study by Roediger and Karpicke, students who took recall tests on a passage remembered substantially more after two days and a week than students who studied it again, although restudying made the second group feel more sure they knew it. Our guide to retaining what you read goes through that study and the review in more detail.
What the research rates low
The Dunlosky review rated ten learning techniques. Five received a low utility assessment: summarization, highlighting, the keyword mnemonic, imagery use for text learning and rereading. The authors note that most students report rereading and highlighting, yet these techniques do not consistently boost performance, and suggest practice testing in place of rereading.
Summarization is rated low because the conditions in which it helps are limited. A short recall from memory is a lighter notebook habit than a long, polished summary.
Space your review
Distributed practice, which means spreading study over time instead of one block, received a high utility assessment in the same review, alongside practice testing. For a book, that can mean a few minutes of recall after each chapter, a short look at your notes a few days later and another a few weeks later.
Keep the notes small: the claim of each chapter in your own words, one question the book raised and one thing you will try. Notes you can finish in two minutes are notes you will actually write.
A simple routine for each book
Put it together in a way that fits an ordinary week.
- Before: write two or three questions and preview the contents, introduction and conclusion.
- During: read for the claim and the reasons, and ask why when a point surprises you.
- After each chapter: close the book, recall the claim, check the page and write one or two lines.
- Later: look at your notes after a few days and again after a few weeks, and try to answer your original questions.
Frequently asked questions
How do you read non-fiction effectively?
Start with questions, preview the structure, read for the argument and close the book after each chapter to recall what you remember. Then check the page for what you missed.
Should I read every word of a non-fiction book?
Not always. If a chapter does not serve your question you can skim it. A book you skimmed is a book you have previewed, not one you have read.
How do I remember what I read in a non-fiction book?
Test yourself instead of rereading. In a 2006 study, students who took recall tests remembered substantially more after two days and a week than students who restudied the passage.
Are highlighting and rereading useful?
A large review of learning techniques rated both as low utility, because they do not consistently improve performance. It suggests practice testing instead of rereading.
Is IQumi available?
See the official app page for current availability and pricing.
Our pick
IQumi, a short lesson before you commit to the book
IQumi does not replace reading the book or testing yourself. It gives you the main ideas of a non-fiction book as short lessons, each with one idea, an example and a takeaway, as reels or readable summaries written for the app. Use it to preview a book before you decide to read it, or to revisit its ideas in a spare minute, and keep the book and your notebook for the recall that makes it stick.
- One idea, one example and one takeaway per lesson
- Reels or readable summaries
- A library that remembers where you stopped
