Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
half of the book
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'half of the book' is correct and can be used in written English.
You can use it to refer to either a physical book or any kind of material contained within a book. For example: "I was able to read half of the book before I had to return it to the library."
✓ Grammatically correct
News & Media
Academia
Wiki
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
42 human-written examples
More than half of the book is devoted to reasoning about actions and change.
Science
Yet this occupies half of the book.
News & Media
The first half of the book, culled.
News & Media
The lessons from this half of the book are edifying.
News & Media
Roughly half of the book value of the country's bad loans is backed by collateral.
News & Media
The first half of the book almost has the sweep of a novel.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
16 human-written examples
Convey the person's memory in the last half of the book.
Wiki
Much of the second half of the book is devoted to therapy.
Science
The second half of the book contains translations of 71 of Belli's sonnets.
News & Media
The second half of the book is devoted to the state of the art of the evaluation of most cardiac diseases with echocardiography.
Science
The second half of the book tells the story of Helene's reinvention.
News & Media
Expert writing Tips
Best practice
When discussing a specific portion of a book, clarify which "half" you're referring to, using terms like "first half" or "second half" for clarity.
Common error
Avoid using "half of the book" without specifying which half. Saying "the first half" or "the latter half" prevents confusion.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "half of the book" functions as a prepositional phrase that modifies a noun or pronoun. It typically acts as an adverbial phrase, providing information about quantity or proportion of the book being referred to. Ludwig AI confirms its correctness and common usage.
Frequent in
News & Media
58%
Academia
26%
Wiki
9%
Less common in
Science
7%
Formal & Business
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "half of the book" is a grammatically sound and commonly used phrase in English. As Ludwig AI confirms, its main function is to denote a specific portion, either the first or latter section, of a book. It appears frequently in contexts such as News & Media and Academia, and it's crucial to clarify which half is being referenced to avoid ambiguity. When writing, specifying "first half" or "second half" is preferable. While the phrase itself doesn't inherently carry a formal tone, the overall context often dictates the level of formality in academic and scientific writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
latter half of the book
Specifically indicates the second 50% of the book.
first part of the book
Focuses specifically on the initial portion.
initial section of the book
Emphasizes the beginning portion as a distinct segment.
first section of the book
Highlights the book's primary opening section.
latter portion of the book
Refers to a subsequent part, implying a contrast to an earlier section.
latter section of the book
Identifies the portion that comes at the end.
opening chapters of the book
Refers to the chapters at the start of the book.
concluding chapters of the book
Focuses on the segments found near the end of the book.
latter chapters of the book
Specifies the terminal segments of the book.
early stages of the book
Refers to the initial developmental phase of the book's content.
FAQs
How can I use "half of the book" in a sentence?
You can use "half of the book" to describe the portion of a book, as in, "I read "half of the book" before falling asleep".
What's another way to say "half of the book"?
Alternatives include "the first part of the book", "the second half of the book", or "the initial section of the book" depending on the specific portion you're referencing.
Is it better to say "first half of the book" or "half of the book"?
It depends on the context. "First half of the book" is more specific and clearer, while ""half of the book"" is acceptable if the context makes it clear which half you mean.
What does "half of the book" typically refer to?
"Half of the book" generally refers to either the first 50% or the second 50% of the content in a book, often distinguished as "first half" or "second half".
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested