Upload a screenshot or copy of your receipt for The Glass Scientists: Volume Three by S. H. Cotugno to participate in this bonus offering, while supplies last. Must be 13 years of age or older at the time of entry. Void where prohibited or restricted by law. No groups, club, or organizations may participate. Limited to one request per IP address. Incomplete forms will not be eligible. Multiple entries from the same email address will be automatically disqualified. US mailing address required.

The preorder offer is valid between July 7, 2025 through December 1, 2025. Preorder entrants will receive a set of three posters and a signed bookplate. The items will arrive by mail within 8 weeks after December 2, 2025.