I brought these books for my 5 year old son, who is beginning to read with greater fluency and was getting bored with the Oxford Reading Tree books. They are good early readers, not too hard, and the pictures and familiar characters helped him with the names (always hard with new readers). The story reads like a Scooby Doo cartoon, with Shaggy and Scooby scared over what turns out to be nothing, but he liked it and felt he was reading a 'proper' book. They are very slim and the pictures are all in colour. All in all, a good buy.