It's a breezy new day and along with a tempest in a chocolate milk glass, Jesse's presented with a messy new mystery when Dorky Dougy loses his lunch while spinning on the merry-go-round. The big question is, why did the ballistic barf fling outwardly, as Dougy spun? Learn all about these centrifugal and centripetal forces that make up the vomit vortex!

It’s springtime again in Deanville and everything is in full bloom—including some microscopic nuisances that put a damper on Jesse’s outdoor activities. What could it be? Can technology help solve the mystery in The Microscopic Snot Debacle. Ten-year-old Jesse Steam’s curiosity about how the world works leads her to one mystery after another as she pedals around town with Mr. Stubbs, her tabby cat, keeping her company in the bike basket. Using simple scientific tools and their powers of ob...

It’s a beautiful day in Deanville and the gang is presented with a new challenge. How will the kids solve this difficult new task? And how does a Greek mathematician play an important roll? Think like an engineer and read The Mighty Lever Endeavor to find out. Ten-year-old Jesse Steam’s curiosity about how the world works leads her to one mystery after another as she pedals around town with Mr. Stubbs, her tabby cat, keeping her company in the bike basket. Using simple scientific tools and...

A summer trip to her grandparents’ house was going great until Jesse gets caught up in a mystery in the attic. When she encounters a pair of spooky green eyes during a lightning storm, Jesse sets out to use engineering skills to solve the Case of the Clicking Clock.

It’s Spring Break at Deanville Elementary School and the gang is presented with a mysterious new riddle that will challenge their mathematics skills and senses. What is the perplexing, suspended ring that oscillates? Read The Vexing Hectare Detector to find out. Ten-year-old Jesse Steam’s curiosity about how the world works leads her to one mystery after another as she pedals around town with Mr. Stubbs, her tabby cat, keeping her company in the bike basket. Using simple scientific tools a...

It's a beautiful day in Deanville and the gang is presented with a new challenge. How will the kids solve this difficult new task? And how does a Greek mathematician play an important role in the solution? Think like an engineer and work alongside Jesse and pals to figure it out!

It's Spring Break and the gang is presented with a mysterious new riddle that will challenge their mathematics skills and senses. What is the perplexing, suspended ring that oscillates? Jesse and her pals must work together to find out!

While on a camping trip, Jesse finds a curious piece of stone with an interesting pattern on it. With research and the help of Professor Peach, she learns that it's a piece of broken pottery with a pattern unique to a certain Native American tribe. After an archeological dig with the Professor and her friends she finds more pieces of the ancient artifact. Using her art skills, Jesse is able to preserve the clay pot. Ten-year-old Jesse Steam’s curiosity about how the world works leads her t...

A summer trip to her grandparents' house was going great until Jesse gets caught up in a mystery in the attic. When she encounters a pair of spooky green eyes during a lightning storm, Jesse sets out to use engineering skills to solve the Case of the Clicking Clock. Ten-year-old Jesse Steam’s curiosity about how the world works leads her to one mystery after another as she pedals around town, often with Mr. Stubbs, her tabby cat, keeping her company in the bike basket. Using simple scienti...

While on a camping trip, Jesse finds a curious piece of stone with an interesting pattern on it. With research and the help of Professor Peach, she learns that it's a piece of broken pottery with a pattern unique to a certain Native American tribe. After an archaeological dig with the Professor and her friends she finds more pieces of the ancient artifact. Using her art skills, Jesse is able to preserve the clay pot.

While playing in her tree house, Jesse is intrigued by a falling sycamore seed that slowly spins to the ground. But when she sees acorns falling fast directly down to the ground, she must solve the riddle while learning about propellers and windmills and using technology to understand aerodynamics.

Jesse is having problems with her bike, but luckily, there's a local contest to win a bike taking place. To win, Jesse must use math skills to guess how many jelly beans are in a big jar. Find out how Jesse uses math skills to create a secret formula to solve The Secret in the Jelly Bean Jar.