"Greg Heffley's on a losing streak. His best friend, Rowley Jefferson, has ditched him, and finding new friends in middle school is proving to be a tough task. To change his fortunes, Greg decides to take a leap of faith and turn his decisions over to chance. Will a roll of the dice turn things around, or is Greg's life destined to be just another hard-luck story?"--

"Life was better in the old days. Or was it? That's the question Greg Heffley is asking as his town voluntarily unplugs and goes electronics-free. But modern life has its conveniences, and Greg isn't cut out for an old-fashioned world. With tension building inside and outside the Heffley home, will Greg find a way to survive?"--

School property has been vandalized and Greg Heffley swears he is innocent--sort of. Just as the authorities are about to pin him down a freak blizzard hits, trapping the Heffleys in their home and leaving Greg to wonder whether being stuck with his family for the holidays really is better than facing the punishment he knows is coming when the snow is gone.

Greg Heffley recounts his daily experiences during summer vacation as he tries to live out his ultimate fantasy of spending the days indoors playing video games with no responsibilities and no rules, despite his mother's attempts to pack the summer with outdoor activities and family fun.

When Miss Know-It-All's inbox overflows with pleas for guidance, Nikki Maxwell, the school newspaper advice columnist, turns to her best friends for help.

Nate has serious problems to deal with after his fight with Randy Bentancourt was reported in "Weekly Bugle," but he'd rather focus his attention on the cute new girl named Ruby. And with the annual Mud Bowl around the corner, Nate's team will be taking on the biggest opponents they've seen yet.

Principal Krupp once again turns into the superhero Captain Underpants in order to save the world, and Jerome Horwitz Elementary School, from the evil talking toilets and the Turbo Toilet 2000.

When Professor Pippy P. Poopypants comes to Jerome Horwitz Elementary School to teach science, and he goes off the deep end because students make fun of his name, only Captain Underpants can save the school from the professor's perilous plot.

With his school's centennial approaching, Nate is asked to befriend the new kid--Breckenridge--who somehow seems familiar to Nate. As the two become real friends, and Breckenridge becomes a valuable addition to Nate's scavenger hunt team, Nate suddenly remembers who Breckenridge really is.