The Enigma of the Origin of Portolan Charts: A Geodetic Analysis of the Hypothesis of a Medieval Origin by Roel Nicolai English | 2016 | ISBN: 9004282971 | 572 pages | PDF | 23 Mb
The Enigma of the Holy Grail: Illustrated Edition: 90 Illustrations Inside by Robert Walford English | December 22, 2022 | ISBN: N/A | ASIN: B0BQYSWWFL | 277 pages | EPUB | 10 Mb
Anna P. Judson, "The Undeciphered Signs of Linear B: Interpretation and Scribal Practices " English | ISBN: 1108494722 | 2020 | 372 pages | PDF | 50 MB
Voynich Reconsidered: The Most Mysterious Manuscript in the World by Robert H. Edwards English | August 28, 2024 | ISBN: 0764367498 | 336 pages | PDF | 22 Mb
Languages, Scripts, and Chinese Texts in East Asia by Peter Francis Kornicki English, 中文 | March 25, 2018 | ISBN: 0198797826 | 416 pages | PDF + EPUB | 96 + 6 MB
The Great Pyramid Void Enigma: The Mystery of the Hall of the Ancestors by Scott Creighton English | July 6, 2021 | ISBN: 1591434025 | 320 pages | PDF (Converted) | 12 Mb
The Phaistos Disc and Antikythera Mechanism: The History of the Most Mysterious Artifacts from Ancient Greece by Charles River Editors English | January 14, 2018 | ISBN: 1983846740 | 100 pages | EPUB | 2.09 Mb