Hardcover
(Random House Value Publishing, Oct. 10, 1989)
This book contains 5 complete novels: They Came to Baghdad, Murder in Mesopotamia, The Mystery of the Blue Train, Passenger to Frankfurt, So Many Steps to Death
Hardcover
(Random House Value Publishing, Nov. 21, 1988)
Photographs and diagrams complement descriptions of the physical characteristics, time period, and locations of fossils of every known genus of dinosaur