Share 'Starfleet Guides?'

I really enjoyed the first two volumes of the Starfleet Guides series (Starfleet Academy Student Handbook and Galileo Class SORM). Were there ever plans for additional volumes? I remember seeing listings online for a Starfleet Personnel Manual, Starfleet Marine corps Manual, and Starfleet Operations Manual. Was not sure if they aever appeared, or if they were by the same author(s). Anyone able to…