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Create your own scratch art tiles. Begin with a black square and scratch a design to reveal the magical colors hidden beneath. Recommended for children ages 6-12 and their caregivers.

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 November book is Magic Tree House Merlin Mission #13: Moonlight on the Magic Flute. 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 April book is Magic Tree House Merlin Mission #7: Night of the New Magicians. 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 August book is Magic Tree House Merlin Mission #10: Monday With a Mad Genius. 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 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 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 May book is Magic Tree House Merlin Mission #8: Blizzard of the Blue Moon. 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.

Join us for a lively discussion of a great book in person at the Main Library! Snacks will be provided. For ages 7-9 and a parent or caregiver. This month's book is One-Third Nerd by Gennifer Choldenko. When Liam and his two younger sisters find out they will have to give away their beloved (if unhousebroken) dog Cupcake or risk being kicked out of their apartment, they cook up extreme and hilarious schemes to keep the dog. Copies of this month's book are available at the Children's Desk. Both caregiver and child should read the book before the discussion to participate. Registration is required — only one registration is needed per family. For questions about parent/child book group, please email Rachel: rbeaton@cambridgema.gov

The Office of Sustainability (OoS) was created in July 2024 to institutionalize climate actions across all City departments. Cambridge’s first Chief Climate Officer began work in October 2024. The OoS is built on nearly two decades of efforts by multiple departments to reduce Cambridge's reliance on fossil fuels and prepare for extreme weather.