A Monsterrific Tale Series by David Lubar

There's something strange going on at Washington Irving Elementary School. People are turning into monsters-literally!Ms. Clevis is one of the most popular teachers at Washington Irving. Until the morning she accidentally puts some of the wrong ingredients into her breakfast smoothie. Suddenly she finds herself switching back and forth between mean substitute teacher Ms. Hyde and a sweet sixth grade girl named Jackie. Will Jackie figure out the cure before she changes into the horrible Ms... moreThere's something strange going on at Washington Irving Elementary School. People are turning into monsters-literally!Ms. Clevis is one of the most popular teachers at Washington Irving. Until the morning she accidentally puts some of the wrong ingredients into her breakfast smoothie. Suddenly she finds herself switching back and forth between mean substitute teacher Ms. Hyde and a sweet sixth grade girl named Jackie. Will Jackie figure out the cure before she changes into the horrible Ms. Hyde forever? Find out in David Lubar's Hyde and Shriek. less

What would you do if someone accidentally turned you into a vampire? At first it sounds pretty cool, right? But if you really think about it, being a creature of the night is not all it's cracked up to be: no sunlight, staying away from garlic, the craving for the "red suff." Gross, huh?That's exactly what Sebastian thinks. It all started the night he walked home from the movie. He just sort of blacked out and wham--he's a vampire. Now he only has one chance to "get human" again... moreWhat would you do if someone accidentally turned you into a vampire? At first it sounds pretty cool, right? But if you really think about it, being a creature of the night is not all it's cracked up to be: no sunlight, staying away from garlic, the craving for the "red suff." Gross, huh?That's exactly what Sebastian thinks. It all started the night he walked home from the movie. He just sort of blacked out and wham--he's a vampire. Now he only has one chance to "get human" again. And time is running out... less

Angie accidentally turns her younger brother Sebastian into a tree, now she needs to figure out how to undo the spell before her dad comes home.

Okay. It happened to splat. And to his sister, Angie. How many kids could get "monterized" in one neighborhood? Well, at least one more apparently. It started with a walk in the woods---and ended up with an overly fuzzy kid who finds himself howling at the moon.