Self-help book

A self-help book is written in a way that its reader can relate to himself/herself and solve his/her problems as guided by the author of the book.
A self-help book is written to counsel its readers on solving their personal issue or problems in life. The phrase "Self-Help" comes from an 1859 best-seller by Samuel Smiles. "Self-improvement" is a modernized version of the term self-help.