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...

Lost in the Black Forest, Otto meets three mysterious sisters and finds himself entwined in a prophecy, a promise, and a harmonica--and decades later three children, Friedrich in Germany, Mike in Pennsylvania, and Ivy in California find themselves caught up in the same thread of destiny in the darkest days of the twentieth century, struggling to keep their families intact, and tied together by the music of the same harmonica.

"Eleven-year-old Zomorod, originally from Iran, tells her story of growing up Iranian in Southern California during the Iranian Revolution and hostage crisis of the late 1970s"--

When her best friend's cancer returns in the summer of 1987, none of her usual pursuits--surfing, singing, or reading poetry--can keep thirteen-year-old Ava afloat.

"Moose Flanagan, who lives on Alcatraz along with his family and the families of the other prison guards, faces new challenges when his father is promoted to Associate Warden"--

"In the summer of 1965, Sophie's family becomes the first African Americans to move into their upper middle-class neighborhood in Los Angeles. When riots erupt in nearby Watts, she learns that life and her own place in it are a lot more complicated than they had seemed"--

"Dust Bowl refugee Gloria Mae Willard finds herself uprooted and working on a California peach orchard, where she tries to join the secret, all-boys baseball team that she's desperate to play on"--

Just turned twelve, Lily is the oldest of the three children in her Chinese American family living in San Francisco when the 1906 earthquake hits; her family has survived the quake, but as the city starts to burn Lily and her younger brother are separated from the others and must get to the safety of Oakland across the bay and hope that the rest of their family and friends are there waiting for them--but between the fire and the anti-Chinese violence...

At the start of World War II, Japanese-American third-grader Aki and her family are sent to an internment camp in Poston, Arizona, while Mexican-American third-grader Sylvia's family leases their Orange County, California, farm and begins a fight to stop school segregation.

"Nine-year-old Maria Singh learns to play softball just like her heroes in the All-American Girls' League, while her parents and neighbors are struggling through World War II, working for India's independence, and trying to stay on their farmland"--