Today

Mystery Book Group - Antigone Books, 411 N. Fourth Ave. Group will discuss "The Indian Bride" by Karin Fossum. 12:30 p.m. April 24. Free. 792-3715.

Buddhist Book Group - Antigone Books, 411 N. Fourth Ave. Group will discuss "Living as a River: Finding Fearlessness in the Face of Change.". 2 p.m. April 24. Free. 792-3715.

The Good Atheist: Living a Purpose-Filled Life Without God - DuVal Auditorium, 1501 N. Campbell Ave. Dan Barker will discuss his book. 10 a.m.-noon. April 24. Free; donations appreciated. 297-9919.

Monday

Local Mystery Writer - Himmel Park Library, 1035 N. Treat Ave. Rebecca Cramer discusses writing projects. 6-8 p.m. April 25. Free. 594-5305.

Mariachi for Gringos - Mercado de San Agustin, 100 S. Avenida del Convento. Gil Sperry, author of "Mariachi for Gringos," kicks off the Tucson International Mariachi Festival. With live mariachi music. 6-8 p.m. April 25. Free. 850-5779.

Tuesday

Science Fiction Book Club - Oro Valley Public Library. This month's selection: "The Search for WondLa" by Tony DiTerlizzi. 7-8 p.m. April 26. Free. 229-5300.

Wednesday

Sonoran Sleuths Mystery Book Club - Oro Valley Public Library. This month's selection: "The Bishop" by Steven James. 11 a.m.-noon. April 27. Free. 229-5300.

Thursday

"Death Clouds on Mt. Baldy" Book Event - Tubac Presidio State Historic Park, 1 Burruel Street, Tubac. Presentation and book signing by Cathy Hufault. 10 a.m. April 28. $5. 398-2252.

"I Love Books" Group - El Dorado Health Campus, 1400 N. Wilmot Road. This month's selection is "Noah's Compass" by Anne Tyler. 2-4 p.m. April 28. Free. 324-4345.

Read to a Dog - Oro Valley Public Library. Practice reading aloud to a trained, certified therapy dog. All ages are welcome. 4-5 p.m. April 28. Free. 229-5300.

Friday

"Immigrants Raising Citizens: Undocumented Parents and Their Young Children" - John and Doris Norton School of Family and Consumer Sciences, McClelland Park, Room 105, 650 N. Park Ave. Hirokazu Yoshikawa views undocumented immigrants as the parents of citizens whose productivity will be essential to the nation's future. Reservations requested, ericaruegg@email.arizona.edu. 2-3:30 p.m. April 29. Free. 621-8067.

"Those Days in December - A Frontier Family's Southwestern Journey" - Western National Parks Association Store, 12880 N. Vistoso Village Drive, Oro Valley. Author Nancy Lucia Humphry will speak as the narrator, her aged Hispanic grandmother. Reservations required. Noon and 2 p.m. April 29. Free. 622-6014.

Meet Gary Nabhan - Antigone Books, 411 N. Fourth Ave. Author discusses "Chasing Chiles: Hot Spots Along the Pepper Trail." co-written with Kurt Friese and Kraig Kraft. 7 p.m. April 29. Free. 792-3715.

Tucson Tea Party University with author Larry Schweikart - Radisson Suites, 6555 E. Speedway. Author of "The Patriot's History" will speak and sign books. 5:30-7:30 p.m. April 29. $10. 979-2231.