Putting together a small list of what I think are the best 3rd party books in my possesion;

Total party kill handbook (use TRSQ for 5 percent discount)
https://www.2cgaming.com/store/p10/tpkh-print

Monsters of the guild;
https://www.dmsguild.com/product/234150/Monsters-of-the-Guild?affiliate_id=1516286

Midgard heroes handbook;
https://www.drivethrurpg.com/product/236914/Midgard-Heroes-Handbook-for-5th-Edition?affiliate_id=1516286

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