Fiction; Children's book; Grades 3 to 5, Age 8 to 11/12; 222 pages; 6 x 9 format; some illustrations; mystery; investigation; animals as main characters; Socks and Astrid a cat and dog help a squirrel with amnesia and uncover a sinister plot by evil creatures to rule the world. Everyone is in danger and time is running out to save a baby squirrel.