| Yellow as the Sun |
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| Yellow - Go Bananas (4 titles) |
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| Yellowstone National Park |
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4.5 |
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| Yoga in Action |
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6.0 |
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| Yon Chen Yo Rele Moose (Moose the Dog) - Level 2 (6 titles) |
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| Yorkshire Terrier Puppies |
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| Yo soy un ser vivo (I am a living thing) |
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3.6 |
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| You Need Rest to be at Your Best! |
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3.7 |
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| Your Brain |
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| Your Breathtaking Lungs and Rocking Respiratory System |
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6.0 |
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| Your Brilliant Body! (6 titles) |
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| You're So Punny! |
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| Your Food |
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| Your Growing Body and Remarkable Reproductive System |
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5.9 |
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| Your Growling Guts and Dynamic Digestive System |
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6.0 |
|
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| Your Guide to Government (8 titles) |
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| Your Hardworking Heart and Spectacular Circulatory System |
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6.0 |
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| Your Local Environment |
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5.3 |
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| Your Mind-Bending Brain and Networking Nervous System |
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5.8 |
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| Your Strong Skeleton and Amazing Muscular System |
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5.8 |
|
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| You Will Not Believe This Story! (10 titles) |
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| Yukon |
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| Yukon (Yukon) |
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| Yuk or Yum? |
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Canada
USA
