Yet another student goes to the head of the class in 'Ada Twist, Scientist,' the most recent picture book from Andrea Beaty and David Roberts.

David Roberts, Who Turned Adventure Writing Into Art, Dies at 78 He was an accomplished mountain climber with a literary gift to match, and the author of dozens of books.

One of the nation's premiere mountaineers, David Roberts had lived by his pen for some four decades since he stopped teaching at Hampshire College, where he founded the outdoors program.

The life and lithographs of painter David Roberts and his six-volume magnum opus: The Holy Land, Syria, Idumea, Arabia, Egypt, and Nubia.