The magic tree house takes Jack and Annie to San Francisco in 1906, in time for them to experience one of the biggest earthquakes the United States had ever known.

An epic quake rocked their world.

"Meredith White was one of Hollywood's most recognizable faces. But a personal tragedy cut her acting career short and alienated her from her family. For the last fifteen years, Meredith has been living alone in San Francisco with two trusted caretakers. Then, on a muggy late summer day, a massive earthquake strikes Northern California, plunging the Bay Area into chaos. Without a moment's hesitation, Meredith invites her stunned and shaken neighbors...

Ten-year-old Leo loves being a newsboy in San Francisco -- not only does he get to make some money to help his family, he's free to explore the amazing, hilly city as it changes and grows with the new century. Horse-drawn carriages share the streets with shiny new automobiles, new businesses and families move in every day from everywhere, and anything seems possible. But early one spring morning, everything changes. Leo's world is shaken -- literally...

Fifteen-year-old Mercy Wong is determined to break from poverty in Chinatown, and she gains admittance to a prestigious finishing school through a mix of cunning and bribery. She soon discovers that getting in was the easiest part, and must carve a niche among the spoiled heiresses. When the earthquake strikes on April 18, Mercy and her classmates are forced to a survivor encampment, but her quick-witted leadership rallies them to help in the tragedy's...

"April 18, 1906: A massive earthquake rocks San Francisco just before daybreak, igniting a devouring inferno. Lives are lost, lives are shattered, but some rise from the ashes forever changed. Sophie Whalen is a young Irish immigrant so desperate to get out of a New York tenement that she answers a mail-order bride ad and agrees to marry a man she knows nothing about. San Francisco widower Martin Hocking proves to be as aloof as he is mesmerizingly...

Edgar, an eleven-year-old orphan, finds a book that reveals significant secrets about Atherton, the strictly divided world on which he lives, even as geological changes threaten to shift the power structure that allows an elite few to live off the labor of others.

"Elena Godwin has scrimped and saved for a relaxing dream holiday in Mexico with her handsome but laddish boyfriend Harry. Life has felt a bit less exciting than she'd imagined her twenties would be, and she's hoping the trip will add some sizzle. But on a gorgeous summer evening an earthquake strikes--shattering their peaceful vacation. The trauma changes Elena's life forever. Ten years later, Elena still can't forget the face of the stranger she...

Elmer the patchwork elephant and his cousin Wilbur investigate a distant noise and see their friend Super El rescue Old, a pink elephant whose 100th birthday celebration caused an earthquake.