Monster stats key:

+----------+---------------------------------------------+
|AC        |Armor class - given in both descending and   |
|          |[ascending] format.                          |
+----------+---------------------------------------------+
|HD        |Hit dice. D6 for Whitebox, D8 for other      |
|          |editions.                                    |
+----------+---------------------------------------------+
|ATK       |Attacks and damage.                          |
+----------+---------------------------------------------+
|SP        |Special abilities or notes.                  |
+----------+---------------------------------------------+
|MV        |Base Move rate.                              |
+----------+---------------------------------------------+
|HDE/XP    |Hit Dice Equivalent/Experience points        |
+----------+---------------------------------------------+
|SAV       |Saving throw. This is a single save as normal|
|          |per Swords & Wizardry rules.                 |
+----------+---------------------------------------------+
|BHB       |Base hit bonus. Used with Ascending AC       |
|          |combat, the DM rolls a d20 and adds the      |
|          |BHB. If it is higher than the opponent's AC, |
|          |it is a hit. Handy as no chart is needed.    |
+----------+---------------------------------------------+
|AL        |Alignment (lawful, neutral, or chaotic)      |
+----------+---------------------------------------------+
.