In the sixth entry in the Infinity Ring series, time travelers Dak, Riq, and Sera have landed in 1943 Europe to change the outcome of WWII. To do this, the threesome must split up and travel deep into Axis territory to make sure Allied spy mission Operation Mincemeat is successful. Their efforts are complicated by the villainous Tilda, an SQ leader who has followed them from the future. As always, readers are encouraged to visit the Infinity Ring website for more historical background and games connecting this volume to the others. A solid adventure that will have fans anxiously awaiting the nextand finalvolume. Grades 4-6. --Magan Szwarek