2pk X Files Books Young Readers #7 FEAR & #8 Voltage 1996 Easton Royce Vintage -- The product is a vintage 2-pack of X Files Young Readers books, including "Fear" and "Voltage" by authors Easton Royce and Ellen Steiber. Published in 1996 by Harper Trophy, these fiction novels are part of a series targeted towards young adults aged 9-12. The books are in English and fall under the supernatural and science fiction genres.