Everyone is delighted with the stunning ruby ring, but as soon as the ring appears at the rancho, things start going wrong. What is going on? With all her heart, Josefina is determined to find out.

    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.

    Knowing that the necklace was the last gift Tante Tay's husband gave her before he died, C�cile is desperate to find it. As she tracks down the people in the crowd who were near her when she fell, her search takes her into many corners of New Orleans, from a society tea party to the crowded French Market, even the dangerous cypress swamps...and deep into secrets she never imagined! An illustrated �Looking Back� essay provides facts about the 1850s.

    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.

    But soon she realizes that she has taken on more than she can handle. Then Julie discovers that an old friend is hiding secrets from her. Could he be responsible for the strange things happening at Ivy's house? Or is someone--or something--else to blame? An illustrated "Looking Back" section describes the wild parrots of Telegraph Hill, plus the increase in vegetarianism in the 1970s.

    While playing in the waves, they find a barnacle-encrusted ring buried in the sand. They imagine that it's lost treasure from a sunken ship. But why do other people seem desperate to get the ring?

    Grace becomes a local celebrity, and all the attention is a lot of fun for Kit--until the night Grace mysteriously vanishes. But who would take Kit's dog, and why? At the end of the story, the Looking Back section provides interesting facts about pets during the Great Depression.

    That means a three-day stagecoach trip with her friend Rhonda! The other travelers, including a charming magician and a beautiful young woman with a sad past, fascinate the girls. But when Caroline's precious package goes missing, she realizes the culprit must be a fellow passenger. Will she unmask the thief in time, or will her promise to Papa be impossible to keep?

    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?

    Then a valuable trumpet goes missing, and Kit herself is accused of theft. Can Kit prove her innocence and put a stop to the mayhem before the real thief sends the band packing? Includes an "Inside Kit's World" essay about the popularity of jazz and swing music during the Depression.

    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.

    When Aunt Eleanor, now a WASP pilot, stops for a visit while ferrying a warplane from one airbase to another, a security check uncovers anti-American propaganda stashed aboard her plane. The FBI interrogates Eleanor but quickly zeroes in on another suspect--Anna's 17-year-old brother Max, who works at the local airfield. Though Anna knows her brother is loyal to America, she fears he'll be sent away to an interment camp as an enemy alien, as other German-American friends have been. Molly and Anna decide that the only way to clear Max is to find the person who is smuggling propaganda. With lots of daring and a little luck, the girls manage to finger the real culprit but they discover that that may not be enough to save Max. In a poignant ending, Molly realizes that wartime, even on the home front, changes friends and family forever."

    Each offers new perspectives on the past as it really was during the times of the American Girls -- from major historical events to the details of everyday life. Filled with exquisite photos, illustrations, and cutaway scenes, these large-format books also feature letters and diaries of real girls and women, boys and men, that bring the voices of yesterday to life for today's readers.

    She knows she's grown-up enough to help in her grandparents' market. But before she can prove that she's ready for more responsibility, the unthinkable happens: Japan attacks Pearl Harbor, the naval base where her father works, and America is at war! With friends and family missing, and rumors of more attacks to come, Nanea worries―will life ever be the same again?

    She and her parents are spending five months at an archeological dig of ancient Maya ruins in the Central American country of Belize. It's Jess's first time out of the United States. It's her first time being home-schooled. And it's her first trip without her older brother and sister to keep her company. But Jess is excited to explore a new place all on her own. She's ready for adventure and anxious to discover just who Jess is. When Jess meets a new friend and is invited on an eco-adventure, she makes some real discoveries--about the dangers in the Belizean jungle, about the people who have lived there since long ago, and about herself. The True Story section at the back focuses on a real girl from Florida who spends every summer in Belize with her archeologist parents.