What books are similar to Holes?

Books similar to "Holes" by Louis Sachar include "The Boy Who Lost His Face" by Louis Sachar, which also combines humor and life lessons in a middle-grade setting. "The Secret Garden" by Frances Hodgson Burnett explores themes of friendship and personal growth through an adventurous narrative. Additionally, "Wonder" by R.J. Palacio shares a heartfelt story about acceptance and resilience, appealing to similar audiences. All these books feature strong character development and the importance of overcoming challenges.