MARS — The Mars Public Library will offer the following programs at its location, 107 Grand Ave.

• Knit/Crochet at 10:30 a.m. first Tuesday of every month

• Super Reader at 4:30 p.m. first Wednesday of the month. Children can practice reading aloud to Peanut the yellow lab.

• Lego Club from 4:30 to 5:30 p.m. May 3

• Martians Love to Read, Too, meets at 7 p.m. the second Wednesday of the month. The May book will be “Kitchen House” by Kathleen Grissom.

• Just Landed in Mars meets at 1 p.m. the last Wednesday of every month. The May book will be “Moloka’i” by Alan Brennert.

• Story/activity for ages 6 to 11 at 10:30 a.m. each Monday beginning June 4 through July 16.

• Story time for ages 3 to 6 at 1 p.m. each Tuesday and 10:30 a.m. each Friday beginning June 5 through July 16.

• Summer reading program beginning June 4. The theme for children is “Dream Big Read” and for teens is “Own the Night.”

Contact the library at 724-625-9048 or www.marslibrary.org for more information.

Used book, bake sale scheduledCHERRY TWP — The Friends of North Trails Public Library will host a used book and bake sale from 2 to 6 p.m. Friday and from 10 a.m. to 2 p.m. May 5 at 1553 West Sunbury Road.The early bird sale will be from 10 a.m. to 2 p.m. Friday.

Baby-sitting training availableThe Butler County Parks and Recreation Department will hold an American Red Cross baby-sitting training class at the following locations:• 9 a.m. to 4 p.m. May 5 at the Slippery Rock Parks and Recreation Building• 9:30 a.m. to 4:30 p.m. May 12 at the Adams Township Municipal Building• 9 a.m. to 4 p.m. May 26 at the Butler Township Park Building.Registration is required and will be taken at the department at Alameda Park in Butler and over the phone. Participants must be at least 11 years old. Successful participants will receive a certification card.For more information or to register, call 724-284-5383.

Class introduces planning optionCRANBERRY TWP — Those looking for a family-planning method that is both reliable and environmentally friendly can consider NaproTechnology and the Creighton model of fertility awareness.An introductory session will be held at 10 a.m. May 12 at the Cranberry Township Municipal Building, Rochester Road.For more information or to register, call Butler Area Marriage Preparation at 724-776-5085.