Hardcover
(Knopf Books for Young Readers, July 12, 1980)
In 2121 Rebecca receives a robot detective named Watson II for her birthday and uses it to solve a mystery that has perplexed the apartment-city of Metroplex
In 2121 Rebecca receives a robot detective named Watson II for her birthday and uses it to solve a mystery that has perplexed the apartment-city of Metroplex