FRIDAY, SEPT. 7

Farmers market: 3 to 7 p.m., Williams Barn at 160 Chicopee Row in Groton.

Summer Concert on the Common: Food for sale, free fun for all, 6 p.m. Rain or shine event; in case of rain, concert will be held in the Shirley Meeting House.

SATURDAY, SEPT. 8

Farmers market: 9 a.m. to 1 p.m., Pepperell Town Field, Hollis Street.

SUNDAY, SEPT. 9

UCC Groton Worship & Sunday School: Union Congregational Church of Groton resume 10 a.m. worship. All are invited to attend. Nursery care for infants and toddlers is available. September 9th is also Sunday School registration day. The Sunday School serves children from preschool through 8th grade. Children in Kindergarten through fifth-grade participates in a rotational model of Bible-based instruction. Junior High students follow a separate curriculum designed for their age group. Located at 218 Main St., on the corner of Willowdale Road, UCC Groton welcomes all individuals and families. For information, visit www.uccgroton.org or call 978-448-2091.

Marrow Registry in Still River: All are welcome to join the Marrow Registry from 1:30 to 4 p.m. at Holy Trinity Parish on 15 Still River Road, Harvard. Dana Farber Cancer Institute professionals will be on hand as well as Camp Sunshine volunteers, who will help to organize the drive. All it takes is a cheek swab to join the bone marrow registry. Participants must be between 18 and 60. For information, contact nmdpdonor@partners.org or 866-875-3324.

TUESDAY, SEPT. 11

Bereavement Support Groups: Hazen Public Library, 3 Keady Way, Shirley; 12:30-2 p.m.; Nashoba Valley Medical Center, 200 Groton Road, Ayer; 6-7:30 p.m.; registration not required; free. For information call Karen Campbell at 1-800-698-3307, ext. 320.

WEDNESDAY, SEPT. 12

Free medical seminar: Are thyroid nodules a serious health problem? Nashoba Valley Medical Center is offering a "Meet the Expert" medical seminar from 6 to 7 p.m. at the hospital. Please see below for details.

THURSDAY, SEPT. 13

Shirley Center Farmers Market: Featuring fresh local fruits and vegetables, baked goods, jams and jellies, maple products and honey, Farmstead cheeses, flowers and plants, meat and seafood, fresh eggs, "functional crafts. Live Music! 3-7 p.m. on the Common. Weekly event, July through October.

WBN meeting: The Women's Business Network welcomes everyone back from vacation for its first meeting of the year at Holy Trinity Parish, formerly St. Theresa's Church, 15 Still River Road, Harvard, at 7:15 p.m. Jackie Woodside will discuss Energy Management: Debunking the Myths of Time and Stress Management. Bring your business cards & brochures to all events. For more information, check the web site at http://www.wbn-ma.org.

FRIDAY, SEPT. 14

Farmers market: 3 to 7 p.m., Williams Barn at 160 Chicopee Row in Groton.

SATURDAY, SEPT. 15

Seniors Chicken BBQ: The Ayer Rotary will hold its annual Senior Citizen's Chicken BBQ at the Devens Community Center located next to Rogers' field on Devens. This event is free to the seniors in Ayer, Devens, Harvard and Ayer. No reservations needed. Please come at 11:30 a.m. and enjoy the music provided by the Nashoba Valley Concert Band. This event is sponsored by the Ayer Rotary Club, which services the citizens of Ayer, Devens, Harvard and Shirley. If you have any questions, please feel free to contact Dave Swain at 978-448-9850.

COMING UP...

WEDNESDAYS

Prayer Service

All are Welcome

Is there a lot going on in your life these days? Are you worried for family or friends who are going through difficult times? Do you feel weighted down by burdens beyond your control? Or do you simply need an excuse to stop, rest and reflect?

All are invited to join us for an evening of prayer on Wednesdays, from 7:30 to 9 p.m., at Union Congregational Church in Groton, 218 Main St. There will be music, candles, Scripture, sharing and silence.

Like to sing?

Enjoy classical choral music? Then join us for open rehearsals Sept. 10, 17, and 24 to see if we are the group you have been looking for. The Nashoba Valley Chorale is a non-audition SATB chorus that performs under the artistic leadership of director Anne Watson Born.

This season, we will perform Mendelssohn's Elijah and Mozart's Requiem. Rehearsals are held from 7:30 to 9:30 p.m. Monday nights at the First Baptist Church, 461 King St., Littleton. Visit nashobavalleychorale.org or call 978-897-4340 for information.

Nashoba Valley Medical Center hosts free medical seminar

Are Thyroid Nodules a Serious Health Problem?

Nashoba Valley Medical Center is offering a "Meet the Expert" medical seminar on Wednesday, Sept. 12, from 6 to 7 p.m. at the hospital.

The seminar, presented by Roshney Jacob, MD, will focus on defining thyroid nodules and identifying their malignant potential. Dr. Roshney will discuss how nodules are evaluated and give a brief overview on the management of thyroid cancer. Dr. Roshney is an endocrinologist at Nashoba Valley Medical Center's Diabetes and Endocrine Center. She specializes in diabetes, metabolic disorders, and numerous endocrine issues including thyroid, pituitary and adrenal dysfunction.

"Meet the Expert" is a monthly program offered at Nashoba Valley Medical Center. All lectures are free and open to the general public. A 1.0 contact hour will be awarded to health care professionals at the completion of the presentation. Registration is required by calling 978-784-9204 or by email to rosanna.casavecchia@steward.org. Nashoba Valley Medical Center is located at 200 Groton Road in Ayer.

Grotonfest 2012 entertainment

Irish entertainer Brian Cocoran; Animal Adventures, Centerstage Dancers; Powderhouse Gang; Nashoba Valley Dance Academy; and demonstrations by Buddha Nest Yoga; Planet Gymnastics and Luth's Karate will entertain throughout the day, more than 165 Artisan, Business, Nonprofit and Food booths will circle the field. Grotonfest 2012 on Saturday, Sept. 22 ( rain date Sept. 23) Legion Common, Groton, from 10:30 a.m. to 5 p.m. FREE to all ages and handicapped-accessible. For more, go to www.grotonfest.com.

Children's items sale

Gently used children's items including baby equipment, toys, clothes, books and more! Saturday, Sept. 22, 8 a.m. to noon. $1 admission, under 14 free. Central Congregational Church, 1 Worthen St., Chelmsford. Cash only. Sponsored by the Nashoba Valley Mothers of Multiples, a nonprofit organization. For information visit us at www.nashobavalleymom.org or call 978-376-2939.

Concert at Hollis's Lawrence Barn

The Hollis Arts Society presents, "Acoustics," by Ed Mottau, Bob Drew and Jimmy Clark. The concert will be a mix of contemporary, blues and folk music.

The program will be held on Saturday, Sept. 22 at 7:30 p.m. at the Lawrence Barn, 28 Depot Road, Hollis, N.H.

Tickets are $20 and will be available at the door, or can be purchased at the HAS meeting at the Lawrence Barn on Wednesday, Sept. 12, at 7 p.m. and from JoAnne Gauthier (joanne gauthier@live.com) 603-475-7475.

Artist reception

The Hollis Arts Society will hold a reception for artists Judy Holder and JoAnne Gauthier, at the RE/MAX Properties Gallery, 2 Ash St., Hollis, N.H., on Thursday, Sept. 23, from 5 to 7 p.m. The event is free and open to the public with refreshments and music. Both of the artists will be there to discuss their work and answer any questions.

Concert series at the Healing Garden

Enjoy a Sunday afternoon of Contemporary Folk and Acoustic music!

The Virginia Thurston Healing Garden announces the next "Concert at the Garden" on Sunday, Sept. 30 at 3 p.m. The Saturdays, a musical group that blends folk, bluegrass, rock and the blues, will be playing original arrangements of contemporary and traditional favorites.

The Garden, in collaboration with Indian Hill, brings talented musicians and dancers to perform in this monthly series.

The Healing Garden, a nonprofit organization, is located at 145 Bolton Road in Harvard, and offers support, educational and therapeutic services to those affected by cancer.

Admission is $10 for Garden members, $15 for nonmembers. All proceeds benefit the services of the Healing Garden.

Visit www.healinggarden.net for event updates or cancellations.