Russell Roberts

Many theories have been put forth to explain the mysterious disappearance of the dinosaurs. Did they get too large to survive? Did the climate change too abruptly? Did an asteroid collide with Earth? This inviting book explains some of the theories and examines why they've been accepted or rejected.

Profiles eighteenth-century British children's book publisher John Newbery and lists the winners of the award created in his honor from its inception in 1922 through 2003.

An introduction to the character of Poseidon and his roles in Greek mythology.