http://www.bethfishreads.com/search/label/Challenge

• A book with a topographical feature (land formation) in the title:
• A book with something you'd see in the sky in the title:
• A book with a creepy crawly in the title:
• A book with a type of house in the title:
• A book with something you'd carry in your pocket, purse, or backpack in the title:
• A book with a something you'd find on a calendar in the title: