The Mystery of the Mammoth Bones and How It Was Solved

James Cross Giblin was born in Cleveland, Ohio on July 8, 1933. He received a B. A. from Western Reserve University in 1954 and an M.F.A. in creative writing from Columbia University in 1955. He pursued playwriting before taking a job at Criterion Books in 1959. He focused on the children's book field. In the early to mid-1960s, he was an associate editor at Lothrop, Lee and Shepard. In 1967, he moved to Seabury Press, where he became editor-in-chief, spearheading the development of the children's book line there, later called Clarion Books. When Houghton Mifflin bought Clarion in the late 1970s, he moved to the company as Clarion's publisher. As an editor, he worked with such authors as Eileen Christelow and Mary Downing Hahn.

His first children's book, The Scarecrow Book written with Dale Ferguson, was published in 1980. During his lifetime, he wrote more than 20 books for young readers, mainly nonfiction, historical nonfiction, and biographies. He won several awards including the 1983 National Book Award for Chimney Sweeps: Yesterday and Today and the 2003 Sibert Medal for The Life and Death of Adolf Hitler. He died on April 10, 2016 at the age of 82.

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