From publisher blurb:
Level up your GMing with 126 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#643-646, plus a bonus article that's never appeared in public.
Some of what's in this issue:
Horde-ing => Creating Factions the Fast and Easy Way
Factions Part II: The Faction Pyramid
100 Insane Magic Item Names
DMing Monsters: Plants, Slimes, Molds, Jellies, and Puddings
d12 Reasons Why Plant Monsters and Slimes Might Exist
d12 Plant Adventure & Encounter Seeds
Last Round Stories - How to tell evocative combat stories
15 Unusual Dwarf Types
The Mythic God Generator
Side Quests for Busy Groups
d20 Wilderness Encounters
How to Make a Villain-Based Plot Engine (this one is very cool)
Five House Rules To Make Your Game Effervescent