The Perpetual Mystery by Charles Gill

Published in 2009 by Catholic Adventure Books

Search for the Madonna
by Donna Alice Patton

Published in 2010 by Behold Publications/Ecce Homo Press

Search for the Madonna, set during the Great Depression, is an adventure novel for ages 10 and up. Dreaming of a bright future without anymore worries, Maggie is determined to unlock the secrets of the legendary lost Brandenburg treasure.