Thursday 3

HOWARD COUNTY CHESS CLUB, for players ages 9-17 of all levels with a basic understanding of the game, includes a program about Women's International Master and U.S. Championship candidate Battsetseg Tsagaan, 5-7 p.m. today, Glenwood Branch Library, 2350 Route 97 (Roxbury Mills Road), Cooksville, 410-313-5577; 5-7:30 p.m. Tuesday, Miller Branch Library, 9421 Frederick Rd., Ellicott City, 410-313-1950. Free.

Friday 4

COLUMBIA ICE CREAM SUNDAE FEAST, all you can eat, sponsored by the Kings Contrivance Village Association, 7-8 p.m., Kings Contrivance Village Center, 7251 Eden Brook Dr., Amherst House, Columbia. $2; advance ticket purchase required. 410-381-9600.

Saturday 5

SAVAGE FIRE COMPANY YARD SALE, to benefit the Ladies Auxiliary of the Savage Volunteer Fire Company, 8 a.m.-2 p.m., 8925 Lincoln St. Admission, free. 443-259-0565.

PENNSYLVANIA TRAIL HIKE, an eight-mile hike on Kelly's Run, featuring a tranquil stream, rhododendron thickets, rock formations and the Pinnacle overlook, bring lunch and water, sponsored by the Sierra Club, Howard County Group, carpool departure, 8 a.m., from Route 32 and Broken Land Parkway, west side Park and Ride lot, Columbia. Free. 410-248-2974.

WIDOWS AND WIDOWERS SUPPORT GROUP, for those who have experienced the death of a spouse, learn about the meaning and process of grief, 10-11:30 a.m. Saturdays, through July 10, Hospice of Howard County, 5537 Twin Knolls Rd., Columbia. Free; preregistration required. 410-730-5072.

SUMMER READING PROGRAM KICKOFF, for all ages, register for a summer reading club, make a crown to take home, 10 a.m.-4 p.m., Howard County Central Library, 10375 Little Patuxent Pkwy., Columbia; preregistration required, 410-313-7880; 10 a.m.-4 p.m., Elkridge Branch Library, 6540 Washington Blvd., Elkridge, 410-313-5085; 10 a.m.-4 p.m., Glenwood Branch Library, 2350 Route 97 (Roxbury Mills Road), Cooksville, 410-313-5577; 11 a.m.-3:30 p.m., East Columbia Branch Library, 6600 Cradlerock Way, Columbia, 410-313-7730; 11 a.m.-2 p.m., Savage Branch Library, Gorman and Knights Bridge roads, Laurel, 410-880-5978. Free.

BOOK DISCUSSION, "West of Rehoboth," a novel by Alexs D. Pate, sponsored by the Black Fiction Book Club, 1 p.m., East Columbia Branch Library, 6600 Cradlerock Way, Columbia. Free; preregistration required. 410-313-7700.

Sunday 6

LAUREL BUTTERFLIES NATURE PROGRAM, for ages 10 and older, learn how to identify butterflies common to Maryland and learn about their effect on the ecosystem on a guided three-mile hike, field guide recommended; bring water and dress for outdoors, 8:30-11:30 a.m. Sunday and June 19, Patuxent Research Refuge, North Tract, Route 198, between Baltimore-Washington Parkway and Route 32, Laurel. Free; preregistration required. 301-497-5887.

MARYLAND GREAT FALLS HIKE, a six-mile hike over rocks along the Potomac River on the Billy Goat Trail, sponsored by the Sierra Club, Howard County Group, carpool departures, 9 a.m., from Route 32 and Broken Land Parkway, west side Park and Ride lot, Columbia. Free; preregistration required. 301-725-3306.

Monday 7

COLUMBIA COMMUNITY BOOK TALK, topic will be "Good Reads for Summer," facilitated by Howard County Library staff, books available for borrowing, 10 a.m., Florence Bain Senior Center, 5470 Ruth Keeton Way, Columbia. Free. 410-313-7750.

COLUMBIA ARTHRITIS EXERCISE CLASS, ongoing, exercises and activities designed to increase mobility and function and decrease pain and stiffness, sponsored by the Columbia Association Athletic Club, 11:30 a.m.-12:15 p.m. Mondays and Fridays, 5435 Beaverkill Rd.. $3; association members, free. 410-730-6744.

COLUMBIA FOOD AND CONVERSATION, for seniors, "The Kitchen Table," a light gourmet dinner and conversation, 4:30-6 p.m. Mondays and Wednesdays, East Columbia 50-Plus Center, 6600 Cradlerock Way. $2.75. 410-313-7680.

COOKSVILLE BOOK CLUB DISCUSSION, "Bel Canto: A Novel," by Ann Patchett, sponsored by the Contemporary Fiction Book Club, 7 p.m., Glenwood Branch Library, 2350 Route 97 (Roxbury Mills Road), Cooksville. Free. 410-313-5577.

COLUMBIA BELLY-DANCING CLASS, for adults, sponsored by the Long Reach Community Association, advanced, 7-8 p.m.; beginners, 8-9 p.m. Mondays, through Aug. 2, Stonehouse, Long Reach Village Center, 8775 Cloudleap Ct., Columbia. $64; preregistration required. 410-730-8113.

ELLICOTT CITY LANGUAGE PROGRAM, for those with English as a second or third language, practice skills in a group setting, presented by the English Conversation Club, 7:45-8:45 p.m., Miller Branch Library, 9421 Frederick Rd., Ellicott City. Free. 410-313-1950.

Tuesday 8

COLUMBIA ARTHRITIS ACQUATIC CLASS, gentle exercises in warm water to help decrease pain and stiffness, sponsored by the Columbia Association Swim Center, 9:30-10:15 a.m. Tuesdays and Thursdays, 10400 Cross Fox Lane. $3; association members, free. 410-313-7000.

PARENTS AND TOTS PLAY GROUPS, for ages 6 months and older, groups limited to 15 children, activities include coloring, playing with toys and listening to children's tapes, sponsored by the Town Center Community Association; ages 24 months and older meet Tuesdays; ages 6-24 months, Wednesdays; ages 6 months-4 years, Thursdays; all sessions, 10 a.m.-noon through Aug. 17; no classes July 5-9, Historic Oakland Manor, 5430 Vantage Point Rd., Columbia. $27.50; Columbia residents, $25; preregistration required. 410-730-4744.

LAUREL BROWN BAT PUPPET SHOW, for all ages, learn about bats, 11:30 a.m. and 1:30 p.m. Tuesday and June 16, Patuxent Research Refuge, National Wildlife Visitor Center, off Powder Mill Road, between Baltimore-Washington Parkway and Route 197, Laurel. Free. 301-497-5887.

COOKSVILLE CHILDREN'S STORY TIME, for ages 3-5 accompanied by an adult, stories outside, weather permitting, bring a blanket, 2 p.m. Tuesdays, through June 29, Glenwood Branch Library, 2350 Route 97 (Roxbury Mills Road), Cooksville. Free. 410-313-5577.

MENTAL HEALTH SUPPORT GROUP, for friends and family members of those with a mental illness, sponsored by National Alliance for the Mentally Ill-Howard County, 7:30 p.m. the second Tuesday and last Wednesday of each month, Harmony Hall Retirement Community, 6336 Cedar Lane, Columbia. Free. 410-772-9300.

Wednesday 9

ELLICOTT CITY KNITTING GROUP, a drop-in

program, knit and crochet afghans, blankets, baby clothes and more for local charities, hospitals and senior centers, sponsored by the Howard County Department of Recreation and Parks, 11:30 a.m.-1:30 p.m. the second and fourth Wednesdays of each month, Kiwanis-Wallas Recreation Center, 10481 Frederick Rd., Ellicott City. Free. 410-313-7279.

COLUMBIA PARENTING WORKSHOP, "Parenting Under Stress," a focus on strengthening parenting skills of parents and caregivers and improving parent-child relationships, sponsored by the Family Tree, a county-funded organization that prevents abuse and neglect; Session 1, 6:30-8:30 p.m. Wednesdays, through June 30; Session 2, 6:30-8:30 p.m. Wednesdays, Aug. 4-25, Columbia Teen Center, the Barn, Oakland Mills Village Center, 5800 Robert Oliver Pl. Free; preregistration required. 410-889-2300.

HOWARD COUNTY CHESS CLUB, for players ages 9-17 of all levels with a basic understanding of the game, 7-8:30 p.m., Elkridge Branch Library, 6540 Washington Blvd., Elkridge. Free. 410-313-5077.

ELLICOTT CITY DISCUSSION, "The National Road," discussion of the history of Route 40, led by Sally Jarrett, sponsored by the Howard County Genealogical Society, 7 p.m., Ellicott City Senior Center, behind the Miller Branch Library, 9401 Frederick Rd. Free. 410-465-8456.

COLUMBIA BOOK DISCUSSION, "What Should I Do With My Life?," by Po Bronson, sponsored by the Good Reads book club, 7 p.m., East Columbia Branch Library, 6600 Cradlerock Way. Free; preregistration required. 410-313-7700.

COLUMBIA AD/HD SUPPORT GROUP, for parents of children with attention-deficit/hyperactivity disorder [AD/HD], sponsored by CHADD [Children and Adults With Attention-Deficit/Hyperactivity Disorder] of Greater Baltimore, 7-8:30 p.m. the second Wednesday of each month, Loyola Graduate Center, Room 362, 8890 McGaw Rd., Columbia. Free. www.chadd-mc.org.

Thursday 10

COLUMBIA BALLET PROGRAM, for all ages, scenes from "Coppelia" performed by young dance members of the Patuxent Youth Ballet, meet the dancers in character, 7 p.m., Howard County Central Library, 10375 Little Patuxent Pkwy., Columbia. Free; preregistration required. 410-313-7880.

-- Compiled by LINDA JAMES

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