Did you know that birds sing songs in spring to find mates? Once a bird finds a mate, they build a nest together. Find out more in Birds, an All About Spring book. This is an AV2 media enhanced book. A unique book code printed on page 2 unlocks multimedia content. This book comes alive with video, audio, weblinks, slideshows, activities, hands-on experiments, and much more.

Did you know that firefighter tools include long ladders? Firefighters use ladders to reach people in high places. Find out more in “Firefighters”, a People Who Keep Us Safe book.

Listed as a threatened species in 1975, the grizzly bears near Yellowstone National Park in Wyoming have made a remarkable recovery. Intriguing text and vibrant images will draw readers into the story of the bear's decline due to human interaction and habitat loss, and the strategies put in place that helped it return.

The Grand Cayman blue iguana is named after the small island in the Caribbean Sea on which it lives. The largest reptile on the island, it had few predators until people arrived. Habitat loss and invasive species quickly diminished the blue iguana population to fewer than 25 by 2005. This captivating book traces the iguana's remarkable journey back from the brink of extinction and highlights the continued efforts to protect the species.

Plastic pollution is one of the most urgent environmental problems facing our planet. This timely title shows how we can stop plastics from doing further harm. Find out what plastics are, how they are made, and why they are so widely used. Case studies reveal the negative impact of plastics, especially micro beads and single-use plastics, on the oceans and coasts, as well as in our landfills and food chains.

Did you know that New Year's Day is celebrated by people all over the world? Fireworks light up the sky at midnight on January 1 every year. Learn these and other fascinating facts in New Year.

Did you know that the White House has an Easter Egg Roll every year? The first one was in 1878. Learn these and other fascinating facts in Easter.

Once thought to be extinct in the wild, the southern white rhino is now classified as near threatened and lives mostly on protected reserves. Over 100 years of conservation efforts have made it the only rhino of the five rhino species not listed as endangered. This engaging book explores how habitat loss and relentless poaching for their horns nearly brought this species to extinction. Readers will discover how this species was saved from extinction...

¿Sabías que se usan los dedos para tocar la flauta? La flauta hace sonidos cuando se tapan los agujeros de tono. Descubre más datos intrigantes en Las flautas, un libro de Los instrumentos musicales.

Did you know that police officers watch over communities? Police officers sometimes ride horses when patrolling crowds. Find out more in Police, a People Who Keep Us Safe book.