Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to change history by sabotaging the Lewis and Clark expedition. It's up to Ada and Leo to use multiplication and division to solve for variables in order to save the expedition.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to change history by enchanting the water clock in the Library of Alexandria. It is up to Ada and Leo to use addition and subtrations in one step equations to solve for the missing numbers on the clock.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to change the Viking Age through a treasure dispute. It’s up to Ada and Leo to figure out which values make the equation or inequality true or false in order to decide how to divide the treasure.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to sabotage the building of the Empire State building by changing the building plans. It is up toe Ada and Leo to apply the properties of operations to generate equivalent algebraic expressions to make sure all the building plans are correct.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to sabotage Jackie Robinson's baseball debut and change broader history. It's up to Ada and Leo to use substitution and order of operations to determine who the real Jackie Robinson is.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to create a food shortage by sabotaging early farmers. It up to Ada and Leo to help early farmers recalculate portions gathered to maintain food sustainablity.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to sabotage music by confuesing Mozart. Its up to Ada and Leo to reteach Mozart musical notation.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to sabotage Amelia Airhearts flight across the Atlantic. It's up to Ada and Leo to help convert messurments to recalculate for enough fuel for the flight.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to change the history of underwater exploration. Its up to Leo and Ada to help Jacques Cousteau recalculate depths by adding and subtracting negative numbers.
As Frog Boy and the Disco Queens battle their enemies at the jam-packed Moonwalk Stadium, the people of Pop City will be forced to come to terms with a new reality: Hybrids exist.
With the assault on the Tin Can drawing to a close, Frog Boy will have to make a decision--become a frog, adapt to be fully human, or remain the hybrid he has always been.
When Grandpa finds a mysterious compass washed up on the seashore, Phantom Finders Abby and Theo review museum artifacts and brave a raging storm to discover whom it belonged to and what it means for their town, Murky Creek.
After 17 years trapped in the prison-like Tin Can at the heart of Pop City, the human/animal hybrid Frog Boy orchestrates his own escape in hopes of securing his freedom.
Upon meeting the bank-robbing Disco Queens, Frog Boy finds himself entangled in a government conspiracy where he is forced to track down other hybrids just like him.
Turning their backs on the government, Frog Boy and the Disco Queens look to take down the organization behind the Tin Can. But first, they must dig into their own uncomfortable pasts.
Betrayed by his friends, Frog Boy ventures off alone only to learn the truth about the Disco Queens--they too were born as hybrids inside the Tin Can.
The American research vessel Croydon is studying marine life in the Strait of Hormuz when an Iranian patrol boat intercepts it. The crew is seized and taken to Tehran, where they are tried for espionage and scheduled for execution. Shade and Invisible Six must find the team and rescue them before it's too late.
North Korea attacks South Korea, renewing hostilities after seventy years of relative peace. North Korea has a new and seemingly unstoppable weapon called the Sea Serpent. Zumi and Invisible Six must find a weakness in the Sea Serpents and destroy them to end the conflict.
Le champion de ski Carl Lévesque évite de peu un câble d’acier tendu au travers d’une piste. Des empreintes à proximité indiquent que le responsable de ce sabotage serait un planchiste. Carl apprend seul à faire de la planche à neige pour trouver le coupable. Quand il découvre que quelqu’un vole de l’équipement au Mont Charlevoix et que la fille qu’il vient de rencontrer pourrait être impliquée, il doit surmonter ses peurs et se lance dans une course effrénée en planche à neige pour se réfugier en sécurité.
Bunny is in trouble. He’s been kidnapped from the skating rink at City Hall in Toronto, and now he’s locked in a cold basement room, still in his parka and skates. Where is he? And why do his kidnappers keep asking questions about his dead grandpa and some weird national anthem? Bunny may not always know what’s going on, but he has an innocent’s ability to get to the heart of things and find out what it’s all about. When he manages to escape, he skates across hockey rinks and down frozen highways, always a few strides ahead of his kidnappers. The Wolf and Me is the sequel to both Weerdest Day Ever!, part of The Seven Prequels and Ink Me, part of Seven (The Series).
Edge of Flight is the toughest rock-climbing route Vanisha has ever faced. She has one last chance to conquer it before she moves to Vermont to start university. University is a sore point for Vanisha, who yearns for a career in the outdoors but feels pressured by her mother to earn an academic degree. Trying to put school out of her mind, she heads to the Ozark Mountains of Arkansas with her buddies Rusty and Jeb for a final weekend of climbing and camping. Deep in the woods, they stumble on an illegal marijuana plantation, and the gang of bikers who guard it. When Jeb is shot by the bikers, Vanisha alone must get help, and to do so, she must climb Edge of Flight.
Hi/lo anthology of stories by Jack London for reluctant readers in grades 6-12. Includes "To Build a Fire," "The Story of an Eyewitness," "The Shadow and the Flash," "Brown Wolf," "The Minions of Midas," "The Oyster Pirates," and others.
An accident on the way to a camping trip forces Mike and his stepbrother to work together to save themselves and their father. Passages to Adventure Hi/Lo Novel.
Peter is kidnapped by pirates and held for ransom. Even if Peter's father pays the ransom, will they let Peter live? Passages to History Hi/Lo Novel.
Best friends Silas and Will are obsessed with aliens. When a group of them, called Ramlix, suddenly land on Earth, the boys jump at the chance to join their mission. Soon Silas starts to wonder if everything is as it seems. Why are the Ramlix here? Do they really come in peace?
