This Costco assortment brings together three reference books from Thunder Bay Press's acclaimed "1001 Series" — a collection of richly illustrated, fact-packed volumes covering history, science, and ideas. Published by Thunder Bay Press (an imprint of Printers Row Publishing Group), each book in the series features approximately 960 pages in a compact 6.25 x 8.25 paperback format with a flexible plastic/vinyl cover.

The three-book set typically includes 1001 Days That Shaped the World, 1001 Ideas That Changed the Way We Think, and 1001 Inventions That Changed the World. Each title is written by an international team of subject-matter experts and packed with iconic images. Together they cover history's most pivotal moments, humanity's greatest intellectual breakthroughs, and the innovations that transformed civilization — from ancient discoveries to modern events.

These books make excellent reference works and gift options for curious readers interested in history, science, and culture. Individual titles retail for $24.99 USD each, making this assortment an exceptional value for the collection.