From publisher blurb:
20 Minor Magic Items contains 20 items of lesser or least magical sort, designed to be given to lower-level characters. Most of the Minor Magic Items listed herein are common or very common items of minor, lesser, or petty sort. One common or two very common items from this booklet can be substituted for any one common item from the standard treasure lists.
The 20 items are:
Adamantine-Chased Armor
Ammunition of Ready Recovery
Belt Pouch of Plenty
Crown of the Goblin King
Grenade of Wonder
Healing Salve
Holy Crackers
Instant Armor
Locket of Memory
Pastries of Provisioning
Phantasmal Pipe
Ring of Invisibility, Lesser
Ring of Truth
Ring of Warding
Rune Weapon, Lesser
Shielding Shield
Talisman of Resistance
Talisman of Protection
Thieves Tools Nonpareil
Tome of the Master