# Book Index Contents with subcategories

**URL:** <https://forums.kodeco.com/t/book-index-contents-with-subcategories/110792>\
**Category:** 🙃 Off Topic\
**Created:** [June 1, 2020, 8:44am UTC](https://forums.kodeco.com/t/book-index-contents-with-subcategories/110792 "2020-06-01T08:44:23Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ygornascimento](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/ygornascimento/32/102075_2.png) [@ygornascimento](https://forums.kodeco.com/u/ygornascimento)\
**Post date:** [June 1, 2020, 8:44am UTC](https://forums.kodeco.com/t/book-index-contents-with-subcategories/110792/1 "2020-06-01T08:44:23Z")

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Hello guys,

Would be much appreciated if the book have on its index/Contents the sub categories described in the Contents summary. For example: In the book Data Structures and Algorithms in Swift, you would describe: Chapter 2: Complexity, 2.1 - Time Complexity, 2.1.1 - Constant Time, 2.1.1 - Linear Time …

It would be by far mor easy to find thing we already learned and want to consult after.

Thanks in advance.

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**Author:** ![shogunkaramazov](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/shogunkaramazov/32/108826_2.png) [@shogunkaramazov](https://forums.kodeco.com/u/shogunkaramazov)\
**Post date:** [July 8, 2020, 1:45am UTC](https://forums.kodeco.com/t/book-index-contents-with-subcategories/110792/2 "2020-07-08T01:45:08Z")

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@ygornascimento Thank you for your suggestion - much appreciated! I will forward it to the book team.