A.J. and Andrea represent Ella Mentry during the Presidents' Day challenge against Dirk School in the hope of winning a top-secret prize.

"Prepare for weirdness when Ella Mentry School gets a French foreign exchange student just in time for Valentine's Day!"--

With guidance from Miss Brown, a teacher who is an expert on creativity, the third grade class at Ella Mentry School builds a car and a bridge to compete in a Brain Games competition against Dirk School.

School's almost out for the summer, and A.J. is dreaming about all the fun things he's going to do on vacation. But A.J.'s dream quickly turns into a nightmare when three familiar spirits appear to show him summers past, present, and yet to come. Will they be able to convince him to leave his bad ways behind? Or will this summer end up being a total bummer? Best selling author Dan Gutman brings his kid-friendly sense of humor to this special series...

"When Miss Daisy returns to Ella Mentry School as a substitute teacher, the kids are in for a weird and wacky day of not learning about math, writing, the weather, and more"--

It's Poetry Month and Ms. Coco, who runs the gifted and talented program, is poetry crazy! She cries when she sees a sunset! She thinks boys should have feelings! She talks in rhyme ! All the time! Will A. J.'s life ever be normal again?

"A.J. and the gang at Ella Mentry School are in for a super surprise when a new teacher, Mr. Cooper, take over their third grade class"--

"A.J. thinks that nothing can possibly be as boring as a sleepover in the natural history museum. But anything can happen when Ms. Krup is in charge. The tour guide says that dinosaur skeletons come to life in the middle of the night. Is she right?"--P. [4] of cover.

"Alexia's mom, Ms. Sue, leads the kids of Ella Mentry School in the weirdest fundraiser in the history of the world!"--

New lunch lady Ms. Hall is obsessed with healthy food and she makes it her mission to get A.J. and the gang to eat more vegetables, but they won't take this sitting down.