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. [The fifty tales]
And here are selected tales from the seventh, final edition of the large Grimms' Household Tales. They are also meant for youngsters. However, youngsters and conditions differ, so your discretion could be needed too.