ISBN-13: 9781786079381 / Twarda / 2021 / 416 str.
ISBN-13: 9781786079381 / Twarda / 2021 / 416 str.
The thrilling sequel to Monstrous Devices - Alex and his grandfather hold the fate of history itself in their hands in a Rick Riordan meets Raiders of the Lost Ark adventure of epic proportions!