The Grand Monadnock Rotary Club’s 15th season of Cruz-In events begins Sunday, May 18.

Antique and special-interest cars, trucks and bikes are welcome from 8 to 11 a.m. behind the Peterborough Diner and Toadstool Bookshop, 10 Depot St. in Peterborough. Admission and parking are free. Free coffee and doughnuts will be available while supplies last.

The Cruz-In is held the third Sunday of each month from May through September. For information, call John Kaufhold at 603-801-8364.