No Mystery About It: Crime Books Still Sell : Three authors will autograph their whodunits this weekend in Thousand Oaks.

Dorothy Sayers, who created the Lord Peter Wimsey series, once said, “The detective story may come to an end, simply because the public has learned all the tricks.” She was wrong. Publishers are pouring out mysteries, and fans are turning out in goodly numbers at specialty bookstores.

At Mysteries to Die For, 2940 Thousand Oaks Blvd., Thousand Oaks, Kathy Hogan Trocheck will sign “Happy Never After” at 3 p.m. Friday; Sharyn McCrumb, author of “If I’d Killed Him When I Met Him,” will appear at noon Saturday; and Steven Saylor will present “The Venice Throw” at 1 p.m. Sunday.

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Caralyn and Mark Buehner, authors of “The Escape of Marvin the Ape,” will introduce their zany new manners book, “It’s a Spoon, Not a Shovel,” at 9 a.m. Friday in Adventures for Kids, 3457 Telegraph Road, Ventura.

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The Art Therapy/Fine Arts Discovery Program at Camarillo State Hospital, 1878 S. Lewis Road, will present poetry readings in a coffeehouse setting in the Hagerty Gym at 7 p.m. Saturday. The program features the work of poets who studied in a creative writing program organized by poet Jeff Grimes. Admission is $3. Call 484-3661, Ext. 4216.

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This week in Barnes & Noble, 4360 East Main St., Ventura:

Even though dinosaurs gobbled a bunch of actors in Jurassic Park, we still love them--dinosaurs that is. John Dellinger, whose new mystery, “Dinosaur Tracks & Murder,” has just been published, will autograph at 1 p.m. Sunday. Award-winning author and columnist D.G. Fulford, co-author of “To Our Children’s Children: Preserving Family Histories for Generations to Come,” will appear at 7 p.m. Tuesday.

Evelyne Blau will sign her book, “Krishnamurti: 100 Years,” and discuss his life and teachings at 7 p.m. Wednesday. A controversial interpretation of the life of this famous spiritual leader, “Lives in the Shadow with J. Krishnamurti,” was written by Santa Barbara author Radha Rajagopal Sloss who, with her mother and father, lived for many years with Krishnamurti in Ojai.