1. Conundrum : Crack the Ultimate Cipher Challenge.: Crack the Ultimate Cipher Challenge. (2019) Other Names: Clegg, Brian Record Type: Book Extent: 1 online resource (301 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. The ultimate brain trainer. (2014) Authors: Verma, Abhinav Record Type: Book Extent: 1 online resource (201 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗