THE SPOTTED DOG LAST SEEN

When Derek Knowles-Collier was very young his friend Dennis was killed by a car, and Derek has had recurring nightmares ever since. But one day Derek and his friends discover a secret code penciled in the margins of a mystery novel at the public library. One code leads to another, and eventually Derek discovers not only a time capsule and an elusive author, but also the truth behind Dennis's long-ago death.

Includes a secret code for readers to decipher!