D&D General 50 years, 50 products (closed, see new thread)

[JEB]

Dungeon Master's Guide (4e), the first core DM book for 4e.

 

[JEB]

Dungeon Master's Guide (5e), 2014. The original DM rulebook for 5e.

 

[JEB]

Monstrous Compendium Volume 1 (2e), one of two looseleaf core monster books at the beginning of 2e.

 

[JEB]

Monstrous Compendium Volume 2 (2e), second of two looseleaf core monster books at the beginning of 2e.

 

[JEB]

Monstrous Manual (2e), compilation of the two looseleaf Monstrous Compendiums for 2e plus many more from other sources.

 

[JEB]

Monster Manual (3.0), the original core monster book for 3e.

 

[JEB]

Monster Manual (3.5), the revised core monster book for 3e.

 

[JEB]

Monster Manual (4e), the first core monster book for 4e.

 

[JEB]

Monster Manual (5e), 2014. The original monster book for 5e.

 

[JEB]

The Expert Rules set (1983), the update of the 1981 Expert Set that followed the 1983 "red box".