The experiential travel specialist will run trips to Vietnam, Sri Lanka and Lapland, with other fam destinations yet to be confirmed.
It comes as part of the operator's vow to strengthen its commitment to the trade off the back of its largest-ever agent survey.
More than 600 agents responded to the survey, which Not in the Guidebooks said had directly shaped its plans for its next phase of agent support.
Various new initiatives are planned to boost agents' confidence selling private immersive touring and deepen engagement with the trade.
The expanded fam programme will offer more destinations, more immersive training and more opportunities for agents to experience its product first-hand.
Not in the Guidebooks aims too to build on its Summer of Stories campaign; agents who complete the training video and quiz will be entered into a prize draw to win £2,000 towards their own trip with the operator. Extra entries are being awarded for every booking made this summer.
Meanwhile, new dates for Not in the Guidebooks' regional agent events will be announced later this year, creating more scope for in-person learning and product immersion.
Manisha Blair, Not in the Guidebooks' Trade Marketing Manager, said: "Agents asked for more confidence, more first-hand experience and more support, and we’re delivering.
"From our expanded 2027 fam programme to our summer incentive and upcoming regional events, this is our strongest year yet for agent engagement."
