Here are 12 "hypotheses," as well as lists of "what you need," "what to do," and "what happened" that are sure to make young readers laugh out loud as they learn how to conduct science experiments (really!). Jenny Offill and Nancy Carpenter—the ingenious pair that brought you 17 Things I'm Not Allowed to Do Anymore—have outdone themselves in this brilliant and outrageously funny book.

    If you had a beaver's, you'd have orange teeth! And if you had a naked mole rat's set of teeth, you could move each one separately, like chopsticks! The animal kingdom has lots of cool teeth, but yours are pretty awesome, too!

    and saves the day.

    A might be for apple, but it's also for aisle and aeons. Why does the word "gnat" start with a G but the word "knot" doesn't start with an N? It doesn't always make sense, but don't let these rule-breaking silent letters defeat you!This whimsical, funky book from Raj Haldar (aka rapper Lushlife) turns the traditional idea of an alphabet book on its head, poking fun at the most mischievous words in the English language and demonstrating how to pronounce them. Fun and informative for word nerds of all ages!

    With lyrical words and vivid illustrations by Caldecott winner Leonard Weisgard, The Important Book shows children just how important everyday objects can be. What is the most important thing about a spoon? The fact that you can eat with it? What about an apple? Or a shoe? This book helps curious preschoolers notice important details about their everyday surroundings, like daisies are white, rain is wet, and a spoon is used for eating.For the important thing about The Important Book is that the book resonates long after it's closed. What's most important about many familiar things—like rain and wind, apples and daisies—is suggested in rhythmic words and vivid pictures. "A perfect book. The text establishes a word game which tiny children will accept with glee," said Kirkus.Chosen as a "Teachers' Top 100 Books for Children" by the American National Education Association."Rekindles the sense of wonder we were born with. True poetry about perceiving the world around us."— Mark Frauenfelder, BoingBoing magazine

    Benjamin collects stamps and Karl collects coins, and neither one will share with their little brother. So Max decides to start a collection of his own. He’s going to collect words. He starts with small words that he cuts out of newspapers and magazines, but soon his collection has spilled out into the hall. All the while, his brothers are watching. Benjamin brags that he has one thousand stamps. Karl is just a few coins short of five hundred. But a thousand stamps is really just a bunch of stamps, and a lot of coins is only a heap of money. A pile of words, however, can make a story.  Bright, bold pictures incorporating clever wordplay accompany this highly original tale about a younger brother’s ingenuity. Max's Words is a 2007 Bank Street - Best Children's Book of the Year.

    How do you know what type of clouds can forecast a change of weather? Read and find out.

    A cumulative rhyme relating how Ki-pat brought rain to the drought-stricken Kapiti Plain. Verna Aardema has brought the original story closer to the English nursery rhyme by putting in a cumulative refrain and giving the tale the rhythm of “The House That Jack Built.”

    There were so many things that he could do with all of that money! He could buy as much gum as he wanted, or even a walkie-talkie, if he saved enough. But somehow the money began to disappear... Readers of all ages will be delighted by this attractive new edition of Judith Viorst's beloved picture book.

    The last straw is a loose tooth, which convinces him of the awful truth his parts are coming unglued!Parts deals with a subject of deepest interest to every young child: the stuff our bodies shed.

    Poetic in voice and elegant in design, the book introduces children to a fascinating array of seed and plant facts, making it a guide that is equally at home being read on a parent's lap as in a classroom reading circle.

    A publishing event!"If you decide to go to the moon," writes Faith McNulty, "read this book first. It will tell you how to get there and what to do after you land. The most important part tells you how to get home.Written in the second person, the text allows the reader to participate in every aspect of the journey, from packing ("don't forget your diary and plenty of food") to liftoff (at first you'll feel heavy; don't worry") to traveling through space (where "the moon glows like a pearl in the black, black sky"). The reader lands at the Sea of Tranquility, the site of the first lunar landing.

    But soon a trumpet makes a duet, a french horn a trio, and so on until the entire orchestra is assembled on stage. Written in elegant and rhythmic verse and illustrated with playful and flowing artwork, this unique counting book is the perfect introduction to musical groups. Readers of all ages are sure to shout “Encore!” when they reach the final page of this joyous celebration of classical music.

    right? But what if everybody did that? What if everybody broke the rules ... and spoke during story time, didn’t wash up, or splashed too much at the pool? Then the world would be a mess. But what if everybody obeyed the rules so that the world would become a better place? Using humorous illustrations rendered in mixed media, these questions are answered in a child-friendly way and show the consequences of thoughtless behavior.

    Now, Truss and Timmons put hyphens, parentheses, quotation marks, periods, and more in the spotlight, showing how which marks you choose and where you put them can cause hilarious mix-ups.