Time travel is a risky tourist business but Couriers can take travelers into any time they wish. But they's better not change history or they'll find themselves "erased" from it. Dave van Dam, high school student, finds the secret of time travel has been stolen by Al Capone.

Published
1991
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Author

Debra Doyle

Dr. Debra Doyle (born 1952-2020) was an American author writing in multiple related genres, including science fiction, fantasy, and mystery. Many of her stories were co-written with her husband, [author_link_2590]. Their novel, Knight's Wyrd, was awarded the Mythopoeic Fantasy Award for Children's Literature in 1992 and appeared on the New York Public Library Books for the Teen Age list in 1993.