Ages 9 to 10

What's more fearsome than a piranha? A payara! This vicious predatory fish hunts in turbulent currents, spearing prey with its two huge fangs. Exciting Spanish-translated text, thrilling photos, and colorful infographics reel in struggling and reluctant...

Lurking in deep river basins in southeast Asia, goonch catfish have super sharp teeth that point backwards. Once they snap onto prey, they don't let go. Exciting Spanish-translated text, thrilling photos, and colorful infographics reel in struggling and...

Lurking beneath waterfalls and by river entrances, the golden dorado waits to ambush prey. When the time is right, the large predatory fish snaps it jaws down with the force of a spring-loaded trap. Exciting Spanish-translated text, thrilling photos, and...

The triathlon at the Summer Games is amazing to watch! Athletes swim, bike, and run all in one event. Don't miss the transitions, where just a few seconds can make or break a race. Elementary Spanish readers will discover the speed and endurance it takes...

The triathlon at the Summer Games is amazing to watch! Athletes swim, bike, and run all in one event. Don't miss the transitions, where just a few seconds can make or break a race. Elementary Spanish readers will discover the speed and endurance it takes...

Rowing events at the Summer Games are amazing to watch! Rowers push and pull oars in sync, cutting cleanly through the water. Elementary Spanish readers will learn about races and boats and discover the power and endurance it takes to win gold in this...

Rowing events at the Summer Games are amazing to watch! Rowers push and pull oars in sync, cutting cleanly through the water. Elementary Spanish readers will learn about races and boats and discover the power and endurance it takes to win gold in this...

Wrestling events at the Summer Games are amazing to watch! From technical holds and weight classes to pins and escapes, elementary Spanish readers will discover the strength and control it takes to win gold in this sport's Greco-Roman and freestyle...

Wrestling events at the Summer Games are amazing to watch! From technical holds and weight classes to pins and escapes, elementary Spanish readers will discover the strength and control it takes to win gold in this sport's Greco-Roman and freestyle...

Gymnastics events at the Summer Games are amazing to watch! From high-flying apparatus routines to beautifully choreographed moves on the floor, elementary Spanish readers will discover the power and strength it takes to win gold in artistic, rhythmic,...

Gymnastics events at the Summer Games are amazing to watch! From high-flying apparatus routines to beautifully choreographed moves on the floor, elementary Spanish readers will discover the power and strength it takes to win gold in artistic, rhythmic,...

Fencing events at the Summer Games are amazing to watch! Quicker than a race car, fencers lunge and parry their way to victory in this combat sport. Elementary Spanish readers will discover the speed and precision it takes to win gold in foil, saber, and...