When Destiny Washington cannot think of a discovery during Discovery Week at school, she makes up a story, but finds that she cannot keep on pretending it is true.

After an author visits their classroom, Buddy and his friends are inspired to write about their pets, but something seems off about the things Bea is saying about her cat.

"A story about a solitary green notebook that brings together six strangers and leads to unexpected friendship, and even love--think Eleanor Oliphant Is Completely Fine meets Love, Actually "Everybody lies about their lives. What would happen if you shared the truth?" This is the question that Julian Jessop, an eccentric, seventy-nine-year-old artist, poses within a pale green exercise book that he labels The Authenticity Project, before leaving it...

"Ina has no plans for the summer. Suddenly, she finds herself lying in front of the entire class, telling them she is going to the Mediterranean for three weeks. And then the lie keeps growing and growing via social media. The only problem is that the new boy in class has moved to Ina's neighborhood and he will easily find out that she is not in the Mediterranean. Perhaps the best summer holiday is the one you thought would be the worst"-- Provided...

Violet has a great new backpack with wheels and zippers, but when the many pockets distract and cause her to misplace her homework she tells a lie to cover it up, so the teacher gives her an even harder assignment.

After promising never to lie, Libby learns that it's not always necessary to blurt out the whole truth either.

Lucas struggles to believe his brother's fantastical story explaining what happened to him during an agonizing six-day disappearance, an account that the other members of their community believe is made up.

Having fibbed about stealing his best friend's popcorn at the circus, Doug-Dennis the sheep finds himself carried far away to a place filled with lies and liars of all sorts and must discover a way to return.