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.
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.
Bicep is serving aboard a Coast Guard cutter that intercepts a gunrunner bound for Mexico. He finds anti-tank missiles and other sophisticated weaponry on board. An investigation reveals the drug cartels are preparing to overthrow the Mexican government. Bicep and Invisible Six must stop the cartels to save Mexico's government.
Taiwan's citizens are voting on a proposed reunification with mainland China. Gizmo travels to Taipei as part of a UN team to safeguard the country's electronic voting system. When the referendum fails, China invades. Gizmo and Invisible Six must disable China's electronic systems to stop the invasion.
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.
A hidden network of international terrorists suddenly becomes active in the United States. Known as Bedlam, this group seeks to destroy America from within. Athena and Invisible Six work to stop the terrorists and avoid nuclear annihilation.
Climate change has opened a new Arctic shipping lane. Russia immediately claims ownership and deploys forces to seize it. Doc Dee and Invisible Six work to keep troops alive in the dark, bitter winter as the UN negotiates control of the seaway.
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.
Matt is counting down the days until he turns sixteen. He's been living with his foster parents in Yukon River valley in their isolated cabin. His plan is to leave and never come back. He is done with the harsh lifestyle and helping his abusive foster dad, Dan, run the traplines so he can make money selling animal furs. He can't wait to start a new life on his own in the city, but when Matt discovers a big and valuable gold nugget, everything changes.
Michael has been getting into trouble lately. As a consequence, his mom is making him look after his grandfather for the summer. The thing is, Gramps isn’t your average senior citizen: he’s a retired burglar with a lifetime of criminal knowledge. When a thief breaks into Gramps' apartment and steals a necklace with great sentimental value, the unlikely pair team up, combining old-school planning and modern tech to track down the necklace—and try to steal it back.
An attack by a tiger during a field trip is just the beginning of the dangers faced by Connie and her friends. Passages to Suspense 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?
