“The survival story is the real attention grabber, but Hobbs offers more than just solid entertainment; he also provides a wealth of information about early human migration in North America.” - ALA Booklist
“Descriptions of woods, wildlife, and the spectacular cave formations Andy discovers have a ring of authenticity that makes his hardships and adventures as compelling as any of Gary Paulsen’s.” - Kirkus Reviews
“A well-paced adventure, this novel combines survival saga, mystery, and archaeological expedition. Hobbs’s renown ensures the popularity of his latest effort.” - Voice of Youth Advocates (VOYA)
