Blaze and the Forest Fire
My children have really enjoyed these simple stories about the adventures of a boy and his horse. Best for first through third graders - especially those who become proficient at reading when very young and not able to deal with more complex or mature themes. My oldest daughter fell in love with these books when she was six. She gobbled them up and they were a great bridge for her between easy readers and chapter books. My son, whose reading proficiency grew much more slowly, enjoyed them much later on. Here is a sample of the language: