Freckles by Gene Stratton-Porter

Contains moderate violence.

Book of a Thousand Days by Shannon Hale

Contains moderate violence and gore, and moderate nudity.

Through the Door by Jodi McIsaac

Contains moderate profanity, moderate violence and gore, and moderate sexual content and nudity.

The Worst Hard Time: The Untold Story of Those Who Survived the Dust Bowl by Timothy Egan

Contains mild profanity and mild violence/gore.

The Hunchback of Notre-Dame by Victor Hugo

Contains moderate sexual content and violence and gore.

Lightning Tree by Sarah Dunster

Contains mild violence.

Touching the Void: The True Story of One Man's Miraculous Survival by Joe Simpson

Contains moderate profanity and mild accident-related violence and gore.

Fablehaven: Keys to the Demon Prison by Brandon Mull

Contains moderate violence and gore.

Fablehaven: Secrets of the Dragon Sanctuary by Brandon Mull

Contains moderate violence and gore.

Fablehaven: Grip of the Shadow Plague by Brandon Mull

Contains moderate violence and gore.

This Life is in Your Hands by Meslissa Coleman

Contains moderate profanity and moderate hippie related nudity.

Anna and the French Kiss by Stephanie Perkins

Contains moderate profanity, mild sexual content, and mild violence.

Fablehaven by Brandon Mull

Contains moderate violence and gore.

Fablehaven: Rise of the Evening Star by Brandon Mull

Contains moderate violence and gore.

The Things They Carried by Tim O'Brien

Contains heavy profanity, mild sexual content, and heavy Vietnam war related violence and gore.

Goodreads summary.

The Absolutely True Diary of a Part-Time Indian by Sherman Alexie

Contains moderate profanity, moderate sexual content, and moderate violence and gore.

The Widower's Tale by Julia Glass

Contains moderate profanity and heavy sexual content, as well as a same-sex relationship.

Wild Thorns by Sahar Khalifeh

Contains mild profanity, mild sexual content, and heavy violence and gore.

The Red Tent by Anita Diamant

Contains heavy sexual content and nudity (but it's more on the matter-of-fact side than the salacious detail side), and one incident of moderate violence.

Thanks, Heather!

The Cedar Post by Jack R. Rose

Contains moderate WWII related violence and gore.

The Elegance of the Hedgehog by Muriel Barbery, Alison Anderson

Contains mild profanity.

Thanks, Heather!