Nice Review of The Doomsday Mask

Here's a nice review of The Doomsday Mask at TeensReadToo.com.

"As a youth in war-torn Germany, Paul Jaeger and fellow boy soldier Jonas Krueger accidentally find a mine filled with treasure. Jonas grabs an unusual piece of blue stone just before the mine explodes, and the two boys are thrown into a nearby creek. Sure that Jonas is dead, Paul takes the stone and flees.

Years later, Paul and his grandchildren, twins Josh and Erica, fall into adventure when Jonas finds them again. Jonas...