Compare Length
See word counts and estimated reading times. A quick read might be under 5,000 words, while a marathon could exceed 100,000.
Compare 2 or 3 books
Search this site's catalog and put books side by side. The tool compares measurable metadata and text statistics so you can see practical differences without turning them into a subjective quality ranking.
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Start typing a title or author. You can compare up to three books.
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What this comparison can tell you
The Compare Tool allows you to view two books side by side, using objective metrics like word count, reading time, average sentence length, and subject coverage. This can help you decide which book to read first or to explore similarities and differences between works.
For example, you might compare a short story like 'The eater of souls' with a longer collection like 'Short Stories of Various Types' to see how length and complexity differ. The tool provides factual data without subjective judgment.
Compare Complexity
Average sentence length gives a sense of writing style. Shorter sentences often feel more direct, while longer ones can be more descriptive.
Compare Subjects
Check overlapping subjects to find books that share themes. For instance, many books are tagged 'Short stories' or 'Western stories'.
Seeing Books Side by Side
Compare Books lets you place two or three titles next to each other and view their measurable features: word count, estimated reading time, text sections, sentence flow, chapter rhythm, subjects, and page information when available. These numbers do not tell you which book is better; they tell you what kind of reading experience each book offers. By seeing them side by side, you can anticipate the time commitment, the pacing, and the structure before you begin.
Word Count and Reading Time
The most obvious difference is length. Compare two stories: "No Strings Attached — Key Ideas to Explore" (id 243) has 7,770 words, estimated at 34 minutes, while "The eater of souls — Context and Discussion" (id 296) has 4,405 words, estimated at 20 minutes. The difference of roughly 3,400 words translates to about 14 minutes of reading time. That might not seem large, but if you are choosing between a lunch break read and an evening read, it can matter.
The catalog's median word count is 30,021 words, so both of these are well below average. Comparing them to a longer work like "Autumnal leaves" (88,741 words, 386 minutes) makes the scale of commitment clear. The Compare tool's reading-time estimates are based on word count and are approximate, but they give a useful sense of whether a book fits your available time.
Text Sections and Chapter Rhythm
Text sections indicate how a book is divided. Some books are single continuous texts, while others are collections with multiple sections. For example, "No Strings Attached" is a single section, while "Peter Pettigrew's prisoner" has two sections. A book with 21 sections, like "Floating Fancies among the Weird and the Occult" (id 263), offers natural stopping points. If you prefer to read in short bursts, a book with many sections might be more convenient.
Chapter rhythm is a related but distinct metric. It describes how chapters are distributed. A book with a high chapter count might have many short chapters, while a low count might have long chapters. The Compare tool displays these metrics side by side, so you can see that "The eater of souls" has one section, while "The land beyond the mist" has two. This helps you choose a structure that matches your reading style.
Sentence Flow and Subjects
Sentence flow, measured as average words per sentence, affects the rhythm of the prose. Compare "No Strings Attached" (15.9 words per sentence) with "The eater of souls" (25.3 words per sentence). The latter's longer sentences may feel more dense, while the former's shorter sentences might feel more brisk. This is not a quality judgment; it is a stylistic trait that you may prefer in different moods.
Subjects provide thematic context. Both "No Strings Attached" and "The eater of souls" are tagged "Short stories" and "Fantasy fiction," but the former also includes "Jinn -- Fiction," while the latter includes "Horror tales" and "Life on other planets -- Fiction." If you are in the mood for a genie story versus a horror-tinged space tale, the subject tags help you distinguish them.
A Side-by-Side Example
Consider comparing "No Strings Attached" (7,770 words, 34 minutes, 1 section, 15.9 words/sentence) with "The eater of souls" (4,405 words, 20 minutes, 1 section, 25.3 words/sentence). Both are short fantasy stories, but one is about a third longer and has shorter sentences. If you have 30 minutes, the shorter one might be a safer bet. If you prefer a more leisurely prose style, the longer one might be worth the extra time.
You could also compare two books with different structures, such as "Peter Pettigrew's prisoner" (9,777 words, 2 sections) and "The crimp" (7,675 words, 1 section). The two-section book might allow a natural break midway, while the one-section book is continuous. The Compare tool makes these trade-offs visible.