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Our Merlin Missions book group is for Magic Tree House fans ages 5-10 who are ready for these longer adventures about Jack and Annie! Check out a copy of the book beforehand, or download it from the Libby app. Our September book is Magic Tree House Merlin Mission #11: Dark Day in the Deep Sea. This book group will meet virtually and in person at the O'Connell Branch. Please register below if you would like to attend virtually. A Zoom link will be sent to all registered participants one hour before the event. Need a laptop or hotspot to participate? Call the O'Connell Branch at 617-349-4019. For questions about the Magic Tree House Book Club, please email cmeisler@cambridgema.gov.

Our Merlin Missions book group is for Magic Tree House fans ages 5-10 who are ready for these longer adventures about Jack and Annie! Check out a copy of the book beforehand, or download it from the Libby app. Our December book is Magic Tree House Merlin Mission #16: A Ghost Tale For Christmas Time. This book group will meet virtually and in person at the O'Connell Branch. Please register below if you would like to attend virtually. A Zoom link will be sent to all registered participants one hour before the event. Need a laptop or hotspot to participate? Call the O'Connell Branch at 617-349-4019. For questions about the Magic Tree House Book Club, please email cmeisler@cambridgema.gov.

Our Merlin Missions book group is for Magic Tree House fans ages 5-10 who are ready for these longer adventures about Jack and Annie! Check out a copy of the book beforehand, or download it from the Libby app. Our June book is Magic Tree House Merlin Mission #9: Dragon of the Red Dawn. This book group will meet virtually and in person at the O'Connell Branch. Please register below if you would like to attend virtually. A Zoom link will be sent to all registered participants one hour before the event. Need a laptop or hotspot to participate? Call the O'Connell Branch at 617-349-4019. For questions about the Magic Tree House Book Club, please email cmeisler@cambridgema.gov.

Our Merlin Missions book group is for Magic Tree House fans ages 5-10 who are ready for these longer adventures about Jack and Annie! Check out a copy of the book beforehand, or download it from the Libby app. Our October book is Magic Tree House Merlin Mission #12: Eve of the Emperor Penguin. This book group will meet virtually and in person at the O'Connell Branch. Please register below if you would like to attend virtually. A Zoom link will be sent to all registered participants one hour before the event. Need a laptop or hotspot to participate? Call the O'Connell Branch at 617-349-4019. For questions about the Magic Tree House Book Club, please email cmeisler@cambridgema.gov.

Create your very own one-page tabletop role playing game. In this two-session class, you will learn how to design your own game from scratch. We will cover themes, mechanics, and get started on making your idea a reality. No prior experience needed, all materials provided. Ages 10-14, registration required! (Registering for Session 1 also registers you for Session 2 on Tuesday 4/14. Please attend both sessions!) The City of Cambridge does not discriminate, including on the basis of disability. We may provide auxiliary aids and services, written materials in alternative formats, and reasonable modifications in policies and procedures to people with disabilities. For more information contact us at library@cambridgema.gov, 617-349-4032 (voice), or via relay at 711.

Due to unforeseen circumstances, this event has been cancelled at this time. We apologize for the inconvenience. Join local artist Brooke Lambert for an introduction to painting with watercolor. Learn at your own pace to paint still life in a relaxed and welcoming environment. This class will introduce techniques in color mixing, observational painting and composition. You will come away from this class with beautiful watercolor paintings and a greater understanding and appreciation for the medium of watercolor. This class is for adults with all levels of experiences and will cover wet on wet and wet on dry techniques, masking, pressing, shading and light techniques, ink washes and pattern making. Registration is required and opens Thursday, May 7 at 10 a.m.

Join us for a morning walk at one of the most renowned birdwatching spots in Cambridge, Mount Auburn Cemetery! We will help you identify birds, learn birdwatching tips and tricks, and familiarize yourself with migratory birds as well as those that can be spotted all year round. A limited supply of binoculars will be available. The walk will meet at the Bird Sighting Board near the front entrance of Mt. Auburn Cemetery at 10:15 am. Registration is required. This event can only accommodate a certain number of participants. One registration is good for one person. If you do not register, you cannot participate. Those on the waitlist will be contacted if a space becomes available. For more information, contact Michael Roberson at mroberson@cambridgema.gov or call the O'Neill Branch at 617-349-4021.

Would-be programmers with basic computer literacy are invited to join this workshop series. Over eight weeks, participants will learn programming fundamentals, build web pages with HTML, CSS, and JavaScript, use developer tools such as Git, and more. There will be time to work on projects and receive guidance from experienced developers, with optional homework materials made available for more in-depth learning. While you can join at any time, starting at the beginning of the course is encouraged for the best experience. Registration is required. The eight sessions are as follows: Session One (April 8, 2026) Session Two (April 22, 2026) Session Three (April 29, 2026) Session Four (May 6, 2026) Session Five (May 13, 2026) Session Six (May 20, 2026) Session Seven (May 27, 2026) Session Eight (June 3, 2026) Note: Patrons must register for each session they wish to attend; registration for each session opens two weeks before the listed dates.

Would-be programmers with basic computer literacy are invited to join this workshop series. Over eight weeks, participants will learn programming fundamentals, build web pages with HTML, CSS, and JavaScript, use developer tools such as Git, and more. There will be time to work on projects and receive guidance from experienced developers, with optional homework materials made available for more in-depth learning. While you can join at any time, starting at the beginning of the course is encouraged for the best experience. Registration is required. The eight sessions are as follows: Session One (April 8, 2026) Session Two (April 22, 2026) Session Three (April 29, 2026) Session Four (May 6, 2026) Session Five (May 13, 2026) Session Six (May 20, 2026) Session Seven (May 27, 2026) Session Eight (June 3, 2026) Note: Patrons must register for each session they wish to attend; registration for each session opens two weeks before the listed dates.

Would-be programmers with basic computer literacy are invited to join this workshop series. Over eight weeks, participants will learn programming fundamentals, build web pages with HTML, CSS, and JavaScript, use developer tools such as Git, and more. There will be time to work on projects and receive guidance from experienced developers, with optional homework materials made available for more in-depth learning. While you can join at any time, starting at the beginning of the course is encouraged for the best experience. Registration is required. The eight sessions are as follows: Session One (April 8, 2026) Session Two (April 22, 2026) Session Three (April 29, 2026) Session Four (May 6, 2026) Session Five (May 13, 2026) Session Six (May 20, 2026) Session Seven (May 27, 2026) Session Eight (June 3, 2026) Note: Patrons must register for each session they wish to attend; registration for each session opens two weeks before the listed dates.