Books in American Girl Mysteries, A Caroline Mystery series

Marie-Grace can't wait to begin her journey up the Mississippi River with her father. The steamboat they're traveling on is the biggest and fanciest boat Marie-Grace has ever seen. It's crowded with all sorts of interesting passengers, including Wilhelmina Newman, a girl her age. Wilhelmina is traveling alone, and she's carrying a secret in one of her trunks--clues to hidden Gold Rush treasure. Marie-Grace and Wilhelmina have to unravel the clues to find the gold--and they're not the only ones looking for it! An illustrated "Looking Back" essay provides facts about the 1850s.

Molly still does her her patriotic duty to help America win World War Two, but in the spring of 1945 she's weary and troubled. Dad is home safe . . . but he seems different now. Her favorite Red Cross leader abruptly quits. Her archrival, Ronnie Vanko, is driving her crazy. And now someone is sneaking into the backyard shed and messing with the scrap she's collecting for the latest wartime drive. Who is the intruder: Ronnie, her own brother Ricky--or a prowler she spied in the night?This book includes a richly illustrated "Peak Into The Past" essay.

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.

Kaya's village is preparing for the powerful winter Spirit Dances when an injured stranger arrives. The young woman doesn't speak, and no one can reach her but Kaya's beloved dog, Tatlo. Who is the stranger, and why is she so silent and alone? Will she bring harm to the village--or take Tatlo away from Kaya? Kaya searches for clues about the woman-- but she must look deep inside her own heart to truly understand her. When she does, Kaya not only solves the mystery but takes a brave step toward growing up.