FICTIONMORTAL FEAR by Robin Cook (Berkley: $4.95)....

FICTION

MORTAL FEAR by Robin Cook (Berkley: $4.95). Biologist tampers with the aging process with devastating results.

DAZZLE by Judith Gould (Onyx: $4.95). Three generations of actresses mix their careers with politics from Czarist Russia to Hollywood in the ‘30s.

IN THE SHADOW OF THE PEACOCK by Grace Edwards-Yearwood (Ivy: $3.95). The Peacock Blues Bar in Harlem is an agent for change in a young woman’s life.

STAR TREK: VULCAN’S GLORY by D. C. Fontana (Pocket: $3.95). A reminiscence about Spock’s enlistment into Starfleet under command of Capt. Christopher Pike.

MONGOOSE, R.I.P. by William F. Buckley Jr. (Dell: $4.50). CIA agent Blackford Oakes is inexplicably involved in the assassination plots of both Castro and John F. Kennedy.

NONFICTION

MOMENTS OF TRUTH by Jan Carlzon (Perennial: $7.95). President and CEO of Scandinavian Airlines elaborates on the winning philosophy behind “50,000 moments of truth each day” in business.

ONCE A CATHOLIC by Peter Occhiogrosso (Ballantine: $4.95). Imprint of the religion on the lives of 26 people, including Frank Zappa, Jimmy Breslin and Martin Scorsese.

ON PHOTOGRAPHY by Susan Sontag (Noonday: $7.95). Essays on the art form that is unique to the 20th Century.

YOUR CHEATIN’ HEART: A Biography of Hank Williams by Chet Flippo (St. Martin’s: $3.95). Recollections of the legendary country singer’s life up to his premature death.

THE FORBIDDEN ZONE by Michael Lesy (Anchor: $7.95). Examination of the American attitude toward death.

SELF-HELP / REFERENCE

WHATEVER HAPPENED TO PENNY CANDY? by Richard J. Maybury (Bluestocking: $4.95). Economic primer, for children and adults, covering such concepts as the business cycle, recession, inflation and more.

1989 SUMMER EMPLOYMENT DIRECTORY OF THE UNITED STATES, edited by Pat Beusterien (Writer’s Digest Books: $10.95). Where the jobs are for ’89 and how to get them. (Recommended for adults as well as youths.)