What I loved: This is silly, albeit a bit morbid, fun with the wolf preparing to eat the sheep and then becoming one of them with a grand gesture. This would work for children who can get it and understand without being too afraid of the sheep getting eaten (no actual sheep are eaten in the book). A lot of the jokes are behind the text, as the text just talks about Brenda being a sheep (when you can see she is a wolf) and other similar things. The illustrations are simple and colorful, which will appeal to a young audience.
What left me wanting more: I think I could have done without Brenda plotting to eat them all in their sleep, but as it does not happen, this will be according to child/parent comfort level. Otherwise, it's generally just silly, and the wolf is being a wolf (until the end).
Final verdict: BRENDA IS A SHEEP is a silly book about friendship and acceptance with brightly colored illustrations that will appeal to young readers.