Book 1

Secret of Noah's Flood

by Jerry D Thomas

Published 1 September 1992

Book 2

Secrets in the Sand

by Jerry D Thomas

Published 1 January 1993

Book 6

Missing Manger Mystery

by Jerry D Thomas

Published 31 March 2002
Zack solves the mystery of what has happened to the manger missing from the church's crèche and in the process discovers the real meaning of Christmas.

Book 7

Secret in the Storm

by Jerry D Thomas

Published 1 April 1996
While wondering how God decides which prayers to answer, Zack and his cousin Dusty investigate some mysterious happenings as a hurricane approaches their grandparents' farm in Texas.

Book 9


Book 10