Books in American Girl History Mysteries series

To help her family make ends meet, Kit takes a job helping an elderly lady at a rundown mansion called Rivermead Manor. When she discovers a hidden room in the old house, she is sure its secrets will make a great newspaper article. But then Jessamine, Kit's long-lost friend, appears and seems to be in trouble, yet she won't confide in Kit. Determined to help, Kit follows clues, but will both of these mysteries lead to a story that's bigger than she could have imagined, or will they stay hidden at Rivermead Manor?

Kirsten Larson has been living on the Minnesota frontier for only a few weeks when her neighbor and friend, Erik Sandahl, disappears. Erik had promised to help the Larsons at harvest time--and he owes Uncle Olav money. Has Erik run out on his promises? Everyone seems to think so--except Kirsten. Can she figure out what's happened to her friend? Takes place in 1854.

When an oil spill threatens the sea birds of San Francisco, Julie is eager to participate in an auction to raise money for the clean-up efforts. But then she learns her friend T.J. is in trouble. In the process of uncovering the clues that may prove T.J.'s innocence, she begins to wonder whether the people involved with the auction may be keeping some awful secrets.

Marie, Noelle, and all their friends are back to solve more mysteries---big and small. This year, the girls struggle all year long to earn enough money to travel to Hawaii where their biggest mystery ever awaits them. These popular books appeal to girls who love to solve puzzles, uncover clues, and crack cases! Along with Marie and her best friend, Noelle, girls must figure out which clues in the story will help solve the mystery and which ones are red herrings--those false leads that can send a reader in the wrong direction. A repeating cast of characters and real-life girl situations allow readers to connect with the stories they're reading. Once the reader solves a mystery, she can tear open a case folder in the back of the book to check her answer.

Kit lands a summer job writing a children's column for her local newspaper. She decides to look for story ideas at the Cincinnati Zoo, where her friend Stirling works as a guide and her old friend Will, the hobo, has a job cleaning cages. As Kit noses around the zoo, she stumbles into some strange doings in the monkey house. Her reporter's instincts tell her that she's onto something worth investigating--and she's determined to get the story.