https://www.authoraparker.net/event-details/b2bc2bb5-5a91-4885-9419-18b158e76225 2026-10-15 https://static.wixstatic.com/media/244faf_484428af44bb45ecb3eab69f88d5280b~mv2.jpg Author Talk and Q&A regarding Grey Matter Series Volume 1: The Story of Mark Trogmyer in the World of the Unknown  https://www.authoraparker.net/event-details/d1c61553-9cae-4a81-8445-a0a240ec0cc6 2026-10-15 https://static.wixstatic.com/media/244faf_484428af44bb45ecb3eab69f88d5280b~mv2.jpg Author Talk and Q&A regarding Grey Matter Series Volume 1: The Story of Mark Trogmyer in the World of the Unknown  (1) https://www.authoraparker.net/event-details/grey-matter-series-volume-1-the-story-of-mark-trogmyer-in-the-world-of-the-unknown-2025-07-16-00-00 2026-10-15 https://static.wixstatic.com/media/244faf_993a14c3cb1b45edb2e87a74f2f33c30~mv2.jpg Grey Matter Series Volume 1: The Story of Mark Trogmyer in the World of the Unknown  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https://www.authoraparker.net/event-details/grey-matter-series-volume-1-the-story-of-mark-trogmyer-in-the-world-of-the-unknown-2026-03-25-00-00 2026-10-15 https://static.wixstatic.com/media/244faf_993a14c3cb1b45edb2e87a74f2f33c30~mv2.jpg Grey Matter Series Volume 1: The Story of Mark Trogmyer in the World of the Unknown  https://www.authoraparker.net/event-details/a38431f4-c455-415c-941a-b42857f8bbf3 2025-06-28 https://static.wixstatic.com/media/244faf_484428af44bb45ecb3eab69f88d5280b~mv2.jpg Author Talk and Q&A regarding Grey Matter Series Volume 1: The Story of Mark Trogmyer in the World of the Unknown  https://www.authoraparker.net/event-details/grey-matter-series-volume-1-the-story-of-mark-trogmyer-in-the-world-of-the-unknown-2025-12-24-00-00 2026-10-15 https://static.wixstatic.com/media/244faf_993a14c3cb1b45edb2e87a74f2f33c30~mv2.jpg Grey Matter Series Volume 1: The Story of Mark Trogmyer in the World of the Unknown  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https://www.authoraparker.net/event-details/c1f232f9-f7ab-4223-bb50-433ad146fa45 2026-10-15 https://static.wixstatic.com/media/244faf_484428af44bb45ecb3eab69f88d5280b~mv2.jpg Author Talk and Q&A regarding Grey Matter Series Volume 1: The Story of Mark Trogmyer in the World of the Unknown  (1) https://www.authoraparker.net/event-details/grey-matter-series-volume-1-the-story-of-mark-trogmyer-in-the-world-of-the-unknown-2026-04-01-00-00 2026-10-15 https://static.wixstatic.com/media/244faf_993a14c3cb1b45edb2e87a74f2f33c30~mv2.jpg Grey Matter Series Volume 1: The Story of Mark Trogmyer in the World of the Unknown  https://www.authoraparker.net/event-details/grey-matter-series-volume-1-the-story-of-mark-trogmyer-in-the-world-of-the-unknown-2025-08-27-00-00 2026-10-15 https://static.wixstatic.com/media/244faf_993a14c3cb1b45edb2e87a74f2f33c30~mv2.jpg Grey Matter Series Volume 1: The Story of Mark Trogmyer in the World of the Unknown  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World of the Unknown  https://www.authoraparker.net/event-details/d2b40397-26ea-4978-990d-07899216e878 2026-10-15 https://static.wixstatic.com/media/244faf_484428af44bb45ecb3eab69f88d5280b~mv2.jpg Author Talk and Q&A regarding Grey Matter Series Volume 1: The Story of Mark Trogmyer in the World of the Unknown  (1) https://www.authoraparker.net/event-details/uk-international-www-chatandspinradio-com-radio-interview 2026-10-15 https://www.authoraparker.net/event-details/da5805e5-6ea9-4371-92e0-ef19d5f463a8 2026-10-15 https://static.wixstatic.com/media/244faf_484428af44bb45ecb3eab69f88d5280b~mv2.jpg Author Talk and Q&A regarding Grey Matter Series Volume 1: The Story of Mark Trogmyer in the World of the Unknown  (1) https://www.authoraparker.net/event-details/author-talk-and-q-a-regarding-grey-matter-series-volume-1-the-story-of-mark-trogmyer-in-the-world-of-the-unknown-2025-07-5 2025-06-28 https://static.wixstatic.com/media/244faf_484428af44bb45ecb3eab69f88d5280b~mv2.jpg Author Talk and 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