The Telzey Toy

The Telzey Toy cover The Telzey Toy finds Telzey Amberdon with a double, and both the original and the perfect duplicate are ensnared by an ill-intentioned mentalist.

This story was first published in four installments in ANALOG in 1970-71. The cover shown is from the DAW 1973 book, with cover art by Kelly Freas.