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From towering elephants to lynxes with tufted ears, these endangered mammals are having a tough time. Learn about some incredible mammals that need our help to survive. Fascinating photos and leveled text deliver just-right information in this...

From spotted butterflies to sand-dwelling beetles, these endangered invertebrates are having a tough time. Learn about some incredible invertebrates that need our help to survive. Fascinating photos and leveled text deliver just-right information in this...

From sharks with oddly shaped heads to fish that look like they have hands, these endangered fish are having a tough time. Learn about some incredible fish that need our help to survive. Fascinating photos and leveled text deliver just-right information...

From owls that live underground to penguins that build their nests in bat poop, these endangered birds are having a tough time. Learn about some incredible birds that need our help to survive. Fascinating photos and leveled text deliver just-right...

From salamanders with lots of frills to squirmy creatures that look like worms, these endangered amphibians are having a tough time. Learn about some incredible amphibians that need our help to survive. Fascinating photos and leveled text deliver...

Un ladrón sombrío anda espantando en la Biblioteca Maldita. El villano burla uno por uno los antiguos sistemas de seguridad de la biblioteca. Pero ¿cómo es posible? Peor aún, el ladrón se dirige al arma...

Ocurre una gran explosión en la Biblioteca Maldita y uno de sus pajes ha desaparecido. Se necesitarán dos Bibliotecarios para encontrarlo y rescatarlo. Pero los héroes se encuentran con una amenaza inesperada . . . el Vigilante del...

Un joven descubre una amenaza monstruosa en la librería de un amigo: el diabólico Hombre Lomo, una criatura espeluznante formada por los lomos de libros misteriosos. Solo el Bibliotecario de la Muerte tiene el valor de salvarlos, pero nadie...

When a new, scary-looking fish arrives at the reef, Finley hides in his cave. He becomes hungry and leaves his cave to find the new fish waiting for him! Will he be eaten as he feared, or will he realize a new buddy was right there all along? Stairway...

Huge cracks in highways. Buildings reduced to rubble. An earthquake can leave behind great destruction. These disasters affect the environment too. Earthquakes can pollute water supplies. They can change the coastline, disrupting plant and animal life...

Drew grew, and now his clothes don’t fit. Mom makes old clothes new again, but Drew soon finds out his feet grew too. A visit to the shoe store is all he needs to complete his new fit. Stairway Decodables is a supplemental phonics resource...

Zuli Cloud doesn’t make friends easily. The young Storm Watcher girl is a skilled tinkerer. She sometimes helps students at the International School of Dragon Training with their magical gem gadgets. But otherwise, she usually gets along better...