"Solve puzzles -- Travel the world -- Uncover mysteries to complete your mission!" - cover.

Unlock ancient puzzles and secrets introduced via supercool codes and ciphers in this companion book to the new Explorer Academy series by Trudi Strain Trueit.

Twelve-year-old Cruz Coronado leaves his home in Hawaii to study and travel with other young people invited to attend the elite Explorer Academy in Washington,

"Cruz and his fellow recruits tackle challenging missions to dispense life-saving medication to gorillas, thwart pangolin poachers, and capture images of the la

An explosive revelation and a familiar face in the sixth book in this adventure-packed series. Still reeling from the life-changing discovery he found buried in