thick (of books, coats)

This book is thick.

この本は厚いです

This book I borrowed from the library is thick.

図書館で借りたこの本は厚いです

This book I borrowed from the library is thick with photos and explanations.

図書館で借りたこの本は写真と説明が厚いです

This book I borrowed from the library is thick with a lot of photos and explanations.

図書館で借りたこの本は写真と説明がたくさん厚いです

This book I borrowed from the library is thick because it has a lot of photos and explanations in it.

図書館で借りたこの本は写真と説明がたくさん入っているので厚いです