Dinosaurios, colas y corazas

Learn How Dams And Levees Are Built As Well As The Effects They Have On River Systems In A Region, And Places Downstream.

Provides examples and tips for making things better when one has made a mistake that upsets someone else.

Describes, in text and illustrations, the technological challenges involved in the design and construction of skyscrapers, oil rigs, nuclear reactors, and other complicated structures.

Explains some of the challenges and rewards of having a friend with ADHD using everyday kid-friendly examples--in both English and Spanish

A digital solution for your classroom with features created with teachers and students in mind: - Perpetual license - 24 hour, 7 days a week access - No limit to the number of students accessing one title at a time - Provides a School to Home connection wherever internet is available - Easy to use - Ability to turn audio on and off - Words highlighted to match audio After trying to fly his kite in different places, Riley finally finds the perfect spot.