| Time Fixers: The Mohawk Skywalkers | learningstore.k12.com | 1.99 USD | — | — |
| Time Fixers: The Lost Library | learningstore.k12.com | 1.99 USD | — | — |
| Time Fixers: The Human Computer | learningstore.k12.com | 1.99 USD | — | — |
| Time Fixers: The Great Food Inequality | learningstore.k12.com | 1.99 USD | — | — |
| Time Fixers: The Fog of Magellan | learningstore.k12.com | 1.99 USD | — | — |
| Time Fixers: The Codebreaker's Enigma | learningstore.k12.com | 1.99 USD | — | — |
| Time Fixers: The Absolute Harvest of the Nile | learningstore.k12.com | 1.99 USD | — | — |
| Time Fixers: Saving Anne Bonny | learningstore.k12.com | 1.99 USD | — | — |
| Time Fixers: Sacagawea's Sojourn | learningstore.k12.com | 1.99 USD | — | — |
| Time Fixers: RoboRobinson's Curveball | learningstore.k12.com | 1.99 USD | — | — |
| Time Fixers: Mozart's Musical Expressions | learningstore.k12.com | 1.99 USD | — | — |
| Time Fixers: Maire Curle's Exponential Experiment | learningstore.k12.com | 1.99 USD | — | — |
| Time Fixers: Leif's Fair Share | learningstore.k12.com | 1.99 USD | — | — |
| Time Fixers: Jesse Owen's Race to the Unknown | learningstore.k12.com | 1.99 USD | — | — |
| Time Fixers: Jefferson's Common Ground | learningstore.k12.com | 1.99 USD | — | — |
| Time Fixers: Flight of the Wright Brothers | learningstore.k12.com | 1.99 USD | — | — |
| Time Fixers: Da Vinci's Spectacles | learningstore.k12.com | 1.99 USD | — | — |
| Time Fixers: Cousteau Under Pressure | learningstore.k12.com | 1.99 USD | — | — |
| Time Fixers: Clara's Conversions | learningstore.k12.com | 1.99 USD | — | — |
| Time Fixers: Amelia Earhart and The Great Divide | learningstore.k12.com | 1.99 USD | — | — |
| Time Fixers: A Midsummer Night's Math | learningstore.k12.com | 1.99 USD | — | — |
| The Lost Book of Enigmas: The Waters Below | learningstore.k12.com | 1.99 USD | — | — |
| The Lost Book of Enigmas: The Three Enigmas | learningstore.k12.com | 1.99 USD | — | — |
| The Lost Book of Enigmas: The Tetrahedra's Roll | learningstore.k12.com | 1.99 USD | — | — |
| The Lost Book of Enigmas: The Society of Numerals | learningstore.k12.com | 1.99 USD | — | — |
| The Lost Book of Enigmas: The Scholar's Compass | learningstore.k12.com | 1.99 USD | — | — |
| The Lost Book of Enigmas: The Sacred Staircase | learningstore.k12.com | 1.99 USD | — | — |
| The Lost Book of Enigmas: The Sacred Scales | learningstore.k12.com | 1.99 USD | — | — |
| The Lost Book of Enigmas: The Probability Pendulums | learningstore.k12.com | 1.99 USD | — | — |
| The Lost Book of Enigmas: The Power of the Cosmos | learningstore.k12.com | 1.99 USD | — | — |
| The Lost Book of Enigmas: The Mathematician's Sundial | learningstore.k12.com | 1.99 USD | — | — |
| The Lost Book of Enigmas: The Domain of the Mayans | learningstore.k12.com | 1.99 USD | — | — |
| The Lost Book of Enigmas: The Cryptic Coordinates | learningstore.k12.com | 1.99 USD | — | — |
| The Lost Book of Enigmas: The Clocktower's Secret | learningstore.k12.com | 1.99 USD | — | — |
| The Lost Book of Enigmas: The Clepsydra Code | learningstore.k12.com | 1.99 USD | — | — |
| The Lost Book of Enigmas: The Chasm Conundrum | learningstore.k12.com | 1.99 USD | — | — |
| The Lost Book of Enigmas: Ten to the Power | learningstore.k12.com | 1.99 USD | — | — |
| The Lost Book of Enigmas: Slope of the Skies | learningstore.k12.com | 1.99 USD | — | — |
| The Lost Book of Enigmas: Secrets of Stonehenge | learningstore.k12.com | 1.99 USD | — | — |
| The Lost Book of Enigmas: Lady Blackthorn's Plot | learningstore.k12.com | 1.99 USD | — | — |