May 3: FARMINGTON, Cynthia Thayer, author of “Strong for Potatoes and a Certain Slant of Light,” will sign copies of her book at 7 p.m. at Devaney Doak and Garrett Booksellers, 193 Broadway. 778-3454

May 3: HEBRON, students from Hebron Academy’s Middle School will present their Annual Science Fair from 6 to 8:30 p.m. at Sargent Gymnasium. Free 966-2100

May 3: PORTLAND, Sister Pauline Quinn and the prison dog, Pax, will be featured from noon to 8 p.m. at Portland Public Library, 5 Monument Square.

May 4: LEWISTON, the Geiger/Montello “Night of the Stars” celebration, an elementary school event, will be held at 6 p.m. at Lewiston Middle School, 75 Central Ave.755-2246

May 4: LISBON FALLS, an Open Mic and Showcase will be held every Wednesday at 7 p.m. at the Lisbon Teen Center Coffee House, 32 Main St. 784-2338

May 4: MEXICO, the Greater Rumford Area Ministers’ Pantry Service will serve a free lunch at noon at the Mexico Town Office.

May 5: AUBURN, a National Day of Prayer observance will be held from noon to 1:30 p.m. at Festival Plaza, Main Street. 783-0801

May 5: FARMINGTON, a National Day of Prayer observance will be held at noon at the Meeting House Park Gazebo. 778-2981

May 5: WILTON, a National Day of Prayer observance will be held at noon at the Bass Park Gazebo at the head of Wilton Lake. 778-2981

May 6-7: BUCKFIELD, the Early Evening Show with Mike Miclon will be held at 7:30 p.m. at Oddfellow Theater, Rt. 117. $10/$6 336-3306

May 6: MECHANIC FALLS, a benefit food sale will be held from 10 a.m. to 3 p.m. at Northeast Bank.

May 6-7: SABATTUS, a Spring Bazaar will be held from 9 a.m. to 4 p.m. at the Dominican Sisters Convent, 61 Lisbon Road. 375-8399

May 6-8: SUMNER, a Spring Fair will be held from 9 a.m. to 5 p.m. at Hedgehog Hill Farm, 54 Hedgehog Hill Road. 388-2341

May 7: AUBURN, the Auburn Youth Fishing Derby, for ages 9-15 only, will be held from 8 to 11 a.m. at Pettingill Pond. 784-0191

May 7: FARMINGTON, a Spring Fling will be held from 8:30 a.m. to 2:30 p.m. at Trinity United Methodist Church. 778-2336

May 7-8: FARMINGTON, the Annual Used Book Sale will be held from 9 a.m. to 5 p.m. on Saturday and 9 a.m. to 3 p.m. on Sunday at the Elks Lodge. 778-3460

May 7: FREEPORT, the Third Annual Live and Silent Auction fundraiser will be held from 5:30 to 8:30 p.m. at the Stone House in South Freeport. $15 865-6820

May 7: GRAY, Vince Caruso will present a program on bluebird habitats from 11 a.m. to 2 p.m. at the Maine Wildlife Park, Rt. 26. $5/$3.25 657-4977

May 7: LEWISTON, a Woman’s Health Fair will be held from 9 a.m. to 1 p.m. at the Central Maine Medical Center Conference Center, 12 High St.795-2398

May 7: LEWISTON, the All Maine Invitational L/A Arts 16th Annual Art Auction will be held at 6 p.m. at L-A College, 51 Westminster St. $30/$35 782-7228

May 7: PERU, a fund-raising yard sale will be held from 9 to 11 a.m. at 431 Auburn Road. 369-0100

May 7: WILTON, the Great Whatever Auction will be held at 6:30 p.m. at Academy Hill School. 645-3894

May 10: FALMOUTH, author Monica Wood will sign copies of her book at noon at Falmouth Library, 5 Lunt Road. 781-2351

May 13: WINTHROP, a fish chowder luncheon will be held from 11:30 a.m. to 1 p.m. at the Winthrop Congregational Church. $6 377-8639

May 14: AUBURN, the Auburn Youth Fishing Derby, for ages 3-8 only, will be held from 8 to 11 a.m. at Pettengill Pond. 784-0191

May 14, 15: AUGUSTA, the Maine Greyhound Placement Service will hold an open house from 10 a.m. to 3 p.m. at their adoption center, 249 Old Belgrade Road. $5 783-7440

May 14: BAILEY ISLAND, the Syttende Mai and 100th Anniversary Celebration of Maine Nordmenn’s will be held from 10 a.m. to 4 p.m. at the Abrahamson residence, Cedar Beach Road. 833-2419

May 14: BATH, Medieval May Merriment, with harpers and bards, pipers and dancers, jesters and merrymakers, will be held at 6 p.m. at the Winter Street Church, 880 Washington St. $35/$30 729-3185

May 14: CANTON, the Auto Show and Business Fair will be held at 9 a.m. on Rt. 140 592-8077

May 14: DIXFIELD, the River Valley Riders ATV Club family day and mud run will be held from 9 a.m. to 3 p.m. at the Mountain View Campground, Weld Street. $5 562-8873

May 14: LEWISTON, Suzanne Roy, author of “Inspiring Creativity,” will sign copies of her book from 10 to 11 a.m. at Mr. Paperback, 855 Lisbon St. 783-2273

May 14: NEW GLOUCESTER, the Second Annual International Art and Cultural Festival will beheld at 9:30 a.m. at the Pineland campus, 83 Pineland Drive. $6 688-2244

May 14: PORTLAND, a May Baby Fest Event, a super baby shower, will be held from noon to 4 p.m. at Babies “R” Us, 200 Running Hill Road. 773-4861

May 14: PORTLAND, the Fifth Annual Bike the Bay event will be held around the Back Cove and Eastern Prom trails to the Casco Bay Ferry Terminal. 774-4417

May 14: PORTLAND, the 14th Annual Pet and People Walk will be held at 10:30 a.m. at Payson Park. 775-5216

May 14: PORTLAND, the 10th Annual Marble Meet will be held from 9 a.m. to 3 p.m. at Governor’s Restaurant Ballroom. $3 657-4165

May 14: PORTLAND, auditions for a talent show will be held from 11 a.m. to 4 p.m. at interActors Cabaret, 504 Congress St. 253-8068

May 14: ROCKPORT, Brian Vanden Brink, author of “Images of Home,” will sign copies of his book at 2 p.m. at the Center for Maine Contemporary Art, 162 Russell Ave. 236-2875

May 14: WILTON, the Tyngtown Club’s annual benefit plant sale will be held from 8 to 11 a.m. at Academy Hill School cafeteria.

May 15: AUBURN, the Annual Bike Show will be held at 10 a.m. at the WalMart parking lot. $5 783-7202

May 15: MT. DESERT ISLAND, the American Diabetes Association Tour de Cure will be held on Mount Desert Island. 774-7717

May 15: SEARSPORT, a Coin Show will be held from 9 a.m. to 2 p.m. at the Searsport Lions Club, Prospect Street. Free 273-3462