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 International Trade by tampering with Megellan first journey around the world by changing his navigational instruments to only show absolute values.
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 tamper with aviation safety by tampering with the Wright Brothers instruments used to calculate descent.
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 past by obscuring Leonado Da Vinci's ability to calculate Ratios.
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 outcome of the 1936 Olympics by sabotating Jessie Owens. It's up to Ada and Leo to calculate reverse ratios in order to save history.
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.
This title focuses on bank heists and details the most daring ones through history, the crews that pulled them off, and the impact they had on the victims and world. This hi-lo title is complete with vibrant photographs, simple text, glossary, and an index.
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.
This title looks at the types of Pokémon from the Pokémon franchise and gives information related to their strengths, weaknesses, and fighting styles. This hi-lo title is complete with vibrant photographs, simple text, glossary, and an index.
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.
Lola Jones is going on her first date with C.J Kline, the star point guard of the Washington Warcats basketball team, but can they keep their plans secret from Lola's big brother and C.J's best friend? Book #2 in the series.
A thorough, illustrated biography discussing the childhood, career, family, and election of Donald Trump, forty-fifth and forty-seventh president of the United States. Includes a table of contents, time line, phonetic glossary, sources for further research, an index, and detailed captions and sidebars to aid in comprehension.
Describes the history and purpose of taxes. An introduction explains how money from taxes can benefit the well-being of a community. The remaining chapters detail the history of taxes in society, as well as how taxes work in the United States.
Describes different ways people can pay with money. An introduction explains the history of how early people paid for goods and services before bills and coins were created. The remaining chapters detail the many ways people can pay for things today, including with physical money, debit and credit cards, and banking apps.
