Many Grimm tales are among the most popular fairy tales in the world. From their larger editions the Grimm Brothers published a "small edition" of 50 tales meant for child readers. From 1825 to 1858 the selection went through ten editions. See which tales they chose: [7th edition: contents]
Here are selected tales from the seventh, final edition of the large Grimms' Household Tales. They aim at young folks. Still, use your discretion.