- A book with a topographical feature (land formation) in the title: Black Hills, Purgatory Ridge, Emily of Deep Valley
- A book with something you'd see in the sky in the title: Moon Called, Seeing Stars, Cloud Atlas
- A book with a creepy crawly in the title: Little Bee, Spider Bones, The Witches of Worm
- A book with a type of house in the title: The Glass Castle, The Girl Who Kicked the Hornet's Nest, Ape House
- A book with something you'd carry in your pocket, purse, or backpack in the title: Sarah's Key, The Scarlet Letter, Devlin Diary
- A book with a something you'd find on a calendar in the title: Day of the Jackal, Elegy for April, Freaky Friday, Year of Magical Thinking
Other Things to Know:
Books may be any form (audio, print, e-book).
Books may overlap other challenges.
Books may not overlap categories; you need a different book for each category.
Creativity for matching the categories is not only allowed but encouraged.