Brain Twister audiobook Laurence M. JANIFER (1933 - 2002) and Randall GARRETT (1927 - 1987) "Mark Phillips" is, or are, two writers: Randall Garrett and Laurence M. Janifer. Their joint pen-name, derived from their middle names (Philip and Mark), was coined soon after their original meeting, at a science-fiction convention. Both men were drunk at the time, which explains a good deal, and only one has ever sobered up. A matter for constant contention between the collaborators is which one. Originally Read more [...]