David Armentrout
12) A Visit to Mars
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Series
Description
A look at the planet Mars, its relationship to Earth and our solar system, and the future of its exploration.
15) Soyons honnêtes
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Series
Description
Parfois, les amis oublient de faire ce qu'il faut ! Quand Simon Zèbre n'était pas honnête, il savait qu'il devait réparer les choses. Une excellente histoire de fiction de niveau bas pour développer le caractère.
18) Motorcycle Races
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Series
Description
Updated for 2020. Readers are taken along on a "spin" through motorcycle racing, including the different types of races and the thrill of watching or being in the race.
19) Wedges
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Series
Description
Updated for 2020. Clear definitions supported by everyday examples and easy hands-on activities introduce young scientists to wedges.