The Bailey School Kids need to do a report on England. Howie picks Camelot as his topic, which is how he knows the new assistant at the library, Mr. Merle, looks just like the ancient wizard Merlin! The kids discover a crystal ball in Mr. Merle's office and learn that he has a huge goldfish named Arthur, just like the ancient king. Then Mr. Merle transforms the library into a medieval castle and starts mesmerizing kids with the magic of reading! Something...

There are some pretty weird grown-ups living in Bailey City-and a lot of strange happenings. The Bailey School Kids take it upon themselves to investigate.

Wondering at their weird new band teacher, the Bailey School kids are surprised when he comments that the classroom skeleton, Claude, can play music better than they can, and when everyone wonders who is playing the tuba, Eddie vows to find the truth.

The ever-suspicious students at Bailey School lose control of their imaginations again when they meet new school nurse Mrs. Redding, who they come to believe is a Martian spying on Earth kids.

Eddie, Melody, and Liza are suspicious of the new school secretary when strange things begin happening in and around Bailey Elementary School.

The Bailey School kids need to train for a boat race and Camp Lone Wolf is just the place to do it. Too bad rumor has it that the bankrupt camp may need to shut down soon. The visiting coach, Captain Teach, who bears a strange resemblance to a pirate, turns out to in possession of a map that leads the way to buried treasure. Can the kids find the treasure and save Camp Lone Wolf before Captain Teach makes off with the booty?

Ever since Eugene became their new neighbor, the third graders at Bailey Elementary School get everything they wish for. This all seems great . . . until their lives start to turn upside down.