Indesign Tutorials I Found Helpful Making A Textbook
Tables in InDesign – Learn how to create or insert them in your documents
https://redokun.com/blog/create-or-insert-a-table-in-indesign
InDesign Table Styles: step by step tutorial
https://redokun.com/blog/indesign-table-styles
Making tables look good in InDesign
Cross-references
https://helpx.adobe.com/indesign/using/cross-references.html