The Crisscross Shadow

The Hardy Boys embark on two thrilling adventures in this book. In the first adventure, they attempt to uncover the mystery of a Native American relic, which leads them to solve cryptic clues, face dangers, and discover a secret cave. In their second adventure, the boys chase down a man who stole the key to their detective father’s file cabinet. The pursuit leads them to an Indian village, where they are tasked with retrieving valuable tribal possessions and a land deed. Along the way, they thwart the criminal's ruthless scheme and aid their father in cracking a top-secret government case.