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Author EventBook ReleaseScienceNon-FictionHistoryFree

Paul Halpern, "The Great Atom Debate"

About This Event

Main Point Books welcomes back store favorite Paul Halpern with his newest science-for-smart-people-who-aren't-scientists title "The Great Atom Debate: Ernst Mach, Ludwig Boltzmann, and the Battle for the Essence of Reality." Come learn about the little-known story of how two of history’s greatest physicists waged a war over the existence of the atom and the nature of reality itself.

This event will be in our lower level. RSVPs are requested; walks-ins are welcome as space permits. The book can be purchased at registration or at the event.

About the Venue

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Main Point Books

Every town deserves its own indie bookstore, and since 2013, Main Point Books has filled the gap for Main Line Philadelphia. We nourish a love of reading by helping you find the book you were looking for and the book that you didn't know you needed. We are a place where you might meet an author, a neighbor, or an employee who will lead you in a new direction, encouraging exploration and discovery. Our goal is simple: to provide a haven to discuss, discover, and advocate for great books. We strive to provide the extras that make for a wonderful shopping experience—a resolutely curated selection of titles to appeal to all ages and interests as well as customer service that makes shopping a joy. We want you to relish spending time at Main Point Books, to have it be a place where you feel comfortable sharing life's best and worst moments. And, yes, we always believe there is a book for that.

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Nov3
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Author EventYoung AdultBryn Mawr, PA

Cassandra Clare "The Last King of Faerie" with Guest Sabrina Ahmadzai

6:30 PM • Tuesday, November 3, 2026Goodhart Theater Bryn Mawr College$30

Main Point Books welcomes NYTimes best-selling author Cassandra Clare on tour with her newest Shadowhunter novel "The Last King of Faerie." Join us as The Mortal Instruments saga begins its stunning conclusion! Our special guest host will be Sabrina Ahmadzai of @‌bookshelfsisters. Check out her feed for content and offers leading up to the event! This is a ticketed event happening at Goodhart Hall on the Bryn Mawr College campus. All attendees will receive a signed copy of "The Last King of Faerie" and access to Cassandra’s talk and Q&A session with their ticket to the event, but only 300 ticket holders will be permitted to enter the line to meet Cassie, get a book personalized, and get an additional book signed There are two ticket options: $40 Meet & Greet + Personalization Ticket (limited to 300): Includes event admission, a signed copy of The Last King of Faerie, and access to Cassandra’s personalization line, where attendees can get a chance to meet her. These tickets are first come, first served and available while supplies last. $30 Event Admission + Signed Book ONLY Ticket: Includes event admission and a signed copy of The Last King of Faerie only.

Nov11
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Author EventFictionWayne, PA

Craig Johnson "Have Courage" Tour

6:30 PM • Wednesday, November 11, 2026Main Point Books$30

It's always a great time when Craig Johnson rolls into Wayne, and this time he's bringing a new collection of Longmire holiday short stories! Craig is a consummate story teller, so you definitely want to get this on your calendar and be in the room when he starts.This is a ticketed event, with options for one or two person tickets. All tickets include a copy of the book.Have Courage is a wintry collection of Longmire stories by the beloved author of the New York Times bestselling series, with a foreword by Longmire actor A Martinez. It's a gripping and open-hearted holiday collection—rich with the humor, humanity, and irresistible high jinks of Craig Johnson’s Absaroka County.

Nov15
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Author EventWayne, PA

Fun and Games with Connections Editor Wyna Liu

4:00 PM • Sunday, November 15, 2026Main Point Books$30

You love to play - can you beat the editor?Main Point Books is thrilled to welcome New York Times Connections Editor Wyna Liu. She'll be discussing how she develops the puzzles and leading some games and quizzes!This is a ticketed event - each ticket includes a copy of "Connections." The price is the same if you come alone or come with a friend!About the BookFor the first time in book form, CONNECTIONS, the sensationally popular and surprisingly tricky category-matching puzzle from New York Times Games.Welcome to the wonderful world of Connections, the hit digital puzzle from New York Times Games—now available in a premium collection, curated by editor Wyna Liu, featuring exclusive puzzles you won't find anywhere else.Whether you're skilled at spotting patterns or enjoy thinking about words, Connections provides a joyful brain workout with its unique blend of wordplay and logic for puzzlers of every skill level.Inside you’ll discover: Never-before-seen Connections with Wyna Liu’s signature twistsPuzzles of varied difficulty–from approachable warm-ups to the trickiest misdirectionsBehind-the-scenes insights into delightfully devious words and categoriesUnique variations on the classic 4x4 grid format