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Old Post Office terrace area is closed due to repairs
The outdoor terrace on the second floor of the Old Post Office is closed to public access as it undergoes some repairs.

Solving Summer Adult Reading Club

A typewriter sits on a wooden table surrounded by papers, a magnifying glass.

Escape the heat and dive into a season of secrets with Cambridge Public Library’s Solving Summer Adult Reading Club (June 29 - August 16, 2026). 

Whether you prefer atmospheric whodunnits, psychological thrillers or tales of romantic suspense, this is your chance to chase clues, win prizes, and discover your next great read along the way. 

Start your summer of reading by logging into ReadSquared, the free reading tracker. Once you’re signed in, you can log your reading, complete missions, and fill out your bingo card to earn entries for fabulous prizes. Prize winners are announced at the end of July and again at the end of August.

Explore staff lists for reading recommendations to suit every interest or visit a library service desk for help finding the perfect books to bring along to the beach, patio or cottage. If you're seeking titles related to the theme of "Solving Summer", check out some excellent recent mystery titles: Solving Summer Adult Reading Club. You can also check out book displays at each location to grow your reading pile. Every book brings you one step closer to solving the mystery of a sensational summer of reading.

The investigation has started — are you ready to crack the case?