Selective Download has started beta testing in Logos 8.3 Beta 1: https://wiki.logos.com/Logos_8.3_Beta_1Steve Fowler commented
Please do not install the same books twice when two licensed users use the same resources on a machine. Allow the books to be placed on a drive other than the Operating System Drive (Windows) without manual creation of NTFS junctions. Recovery from an operating system problem is a lot easier if the OS is on its own drive. Non-tech users do not understand NTFS junctions and may fill their System Drive during a default installation. Perhaps the process of hiding a book means that the book is no longer physically present on the machine... or consider using hierarchical storage (book downloads on demand to read it). Perhaps books in the priority list are permanently present, but others are not.