Hawkeye Collins & Amy Adams in The mystery of the haunted house & other mysteries

By M. Masters

Hawkeye Collins & Amy Adams in The secret of the video game scores & other mysteries

By M. Masters

Two twelve-year-old sleuths solve ten mysteries using Hawkeye's sketches of important clues.

Hawkeye Collins & Amy Adams in The mystery of the phony Frankenstein & other mysteries

By M. Masters

Two twelve-year-old sleuths solve a series of mysteries using Hawkeys's sketches of important clues. The reader is asked to present the solution before it is revealed in the book.

Hawkeye Collins & Amy Adams in The case of the clever computer crooks & other mysteries

By M. Masters

Hawkeye Collins & Amy Adams in The case of the famous chocolate chip cookies & 8 other mysteries

By M. Masters

Hawkeye Collins and Amy Adams, two twelve-year-old sleuths, solve nine mysteries using Hawkeye's sketches of important clues. The reader is asked to use Hawkeye's sketches and hints to solve the my...

Hawkeye Collins & Amy Adams in the secret of the long lost cousin & other mysteries

By M. Masters

The reader is asked to help two twelve-year-old sleuths, "Hawkeye Collins" and Amy Adams, solve eight mysteries using Hawkeye's sketches of important clues.

Hawkeye Collins & Amy Adams in the case of the video game smugglers & other mysteries

By M. Masters

Hawkeye Collins and Amy Adams, two twelve-year-old sleuths, solve nine mysteries using Hawkeye's sketches of important clues. The reader is asked to use Hawkeye's sketches and hints to solve the my...

Hawkeye Collins & Amy Adams in the case of the mysterious dognapper & other mysteries

By M. Masters

Two twelve-year-old sleuths solve nine puzzling cases, using sketches of important clues. Includes hints for interpreting clues and brief explanations of the investigative methods used.

The Secret of the Long Lost Cousin

By M Masters

Hawkeye Collins Amy Adams in the case of the video game smugglers 9 other mysteries

By M. Masters

Hawkeye Collins and Amy Adams, two twelve-year-old sleuths, solve nine mysteries using Hawkeye's sketches of important clues. The reader is asked to use Hawkeye's sketches and hints to solve the my...