From publisher blurb:
Level up your GMing with 151 pages of unique GM tips and advice.
Roleplaying Tips is a weekly newsletter hitting inboxes since 1999 focused on actionable tips and techniques for tabletop game masters.
In this omnibus are the complied issues RPT#634-638, plus a bonus article about a cool underground magic item market: The Bale Ghoul Bazaar.
Some of what's in this issue:
How to run a campaign where the PCs own and run a business
How Can You Break the Combat Grind Habit?
10 Traveller RPG Tips for Newbie GMs
Mondo mapping tips for awesome action scenes: Tactical Mapping
An enemy escape random generator
How to create and GM mysteries
More Mystery Adventure Tips
The creepiest magic item black market in the world: The Bale Ghoul Bazaar