I have played and ran these adventures.
These are five intro adventures for tier 2 set in Chult. They have a great connecting backstory and can pretty mcuh be played in any order. If you don't get to go through all five immediately, it's not a problem. In fact, if you only use 1 or 2 of them in a campaign, you really aren't losing anything from the story. they can make great last-minute fill-in adventires when needed.
Great use of the factions to connect the backstories here. Good treasure rewards, with items appropriate to the tier and length of the adventures. Some pretty fun role-playing based story awards as well.
My only two issues with the adventures are:
1) Duration - I don't think any of these can really be accomplished in an hour. 90 minutes would not be a problem fo reach, but 60 minutes is definately not realistic.
2) Maps - Although you can figure it out/wing it, it would be nice if the maps for adventures 1, 2, and 4 were labelled with the floors/rooms/titles from the appropriate adventure sections. This should be a standard rule of thumb for maps.
Overall, a lot of fun and a great tier 2 module to keep at the ready for filling in as GM on local game store AL days. The multiple adventures make it easy to cover anywhere from 90 minutes to 7 hours or so of gaming time.
[4 of 5 Stars!]