With time travel and mysteries that need solving, the Galactic Academy of Science (G.A.S.) series instructs readers on how to think like scientists. Under the guidance of a Dude or Dudette from the future, the middle school characters are faced with treacherous, present-day crimes that require a historical knowledge of science in order to be solved. From investigating problems to analyzing data and constructing explanations and solutions, this series blends elements of sci-fi with educational methods that distill the key thinking habits of scientists and engineers.   Learn to create and crack codes in this latest G.A.S. installment    Dr. G and his companions are using coded messages in a plot to corrupt the International Science Fair. Quarkum Phonon, a Dude from the future, calls on four middle school students for help. Benson and Anita work on their computers while two new G.A.S. recruits, Ella and Shomari, travel through time, facing kidnappers, thieves, and spies in their scramble to learn about codes and ciphers. Across two millennia and five countries, they meet Julius Caesar, Thomas Jefferson, Alan Turing, and others, while learning about substitution ciphers, frequency analysis, wheels, cylinders, book codes, the Verginère Table, the Enigma, and public and private keys. But will they break Dr. G’s code in time to save the science fair? A computer-based online extension that allows readers to create and decode their own secret messages is also included.

The Cryptic Case of the Coded Fair (Galactic Academy of Science)

Children's Books

Noyce MD, Pendred

Tinker, Robert

Tinker, Barbara

Literature & Fiction

Tumblehome, Inc.

<p>Instructors new to the online teaching and training environment, as well as experienced online educators, will discover the groundbreaking skills and techniques needed to be a successful online instructor. Discover how to effectively facilitate dialogue and build a community of learners as well as hurdle common roadblocks. Learn how to create a learning community where the instructor moves from center stage to a collaborative learning environment.</p>

Facilitating Online Learning: Effective Strategies for Moderators

Education & Teaching

Collison, George

Elbaum, Bonnie

Haavind, Sarah

Higher & Continuing Education

Atwood Publishing

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Books by Tinker, Robert