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    Animals grow and change
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    3.1   | 
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    Animals In Their World (6 titles)
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    Animals: Mammals, Birds, Reptiles, Amphibians, Fish, and Other Animals
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    7.8   | 
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    Animals on the Outskirts
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    5.8   | 
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    Animals that Live in Social Groups
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    5.1   | 
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    Animal Survivors
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    5.8   | 
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    Animals without backbones
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    3.9   | 
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    Ankylosaurus
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    Ants
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    Apatosaurus
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    Apprendre avec des modèles (Learning with Models)
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    Aprendiendo con modelos (Learning with Models)
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    A Rainforest Habitat
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    2.8   | 
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    Arañas espeluznantes pero geniales (Creepy But Cool Spiders)
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    Árboles increíbles (Terrific Trees)
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    Archaea: Salt-lovers, Methane-makers, Thermophiles, and Other Archaeans
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    8.1   | 
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    Archaeologists in Action
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    Arctic Research Journal
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    5.3   | 
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    Are All Zebra Patterns the Same?
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    NEW
    
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    Armas de dinosaurio (Dinosaur Weapons)
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    A Saguaro Cactus
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    5.5   | 
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    A Savanna Habitat
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    3.0   | 
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    A Shiver of Sharks and Other Ocean Animal Groups
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    Asian Animals (6 titles)
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