Monstruos criminales

What do solar panels, waterproof clothing, and window coverings have in common? They are technologies that have been adapted based on studying butterflies! Learn what scientists have learned from butterflies with this Spanish book that will ignite a curiosity about STEAM topics through real-world examples. Created in collaboration with the Smithsonian Institution, this STEAM book features a hands-on STEAM challenge that is perfect for makerspaces and that guides students step-by-step through the engineering design process. Make STEAM career connections with career advice from actual...

Filled with tricks and treats, fun and food, Halloween is a day that children look forward to. At one time two separate festivals, the traditions of each gradually blended into the holiday we now celebrate on October 31.

"Dino" Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children's books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these sea giants face-to-face: The Archelon was similar to a turtle, but its shell was made of crossed rib bone covered in rubbery skin! The Mososaurs had huge pointy jaws and grew to be fifty feet long! The Ichthyosaurs looked a lot...

Quinta entrega de la brillante y monumental saga Tirano, que narra el épico asedio de la isla de Rodas en el año 305 a.C. Una novela ambientada en la mayor guerra de la historia de la humanidad. Hacia 305 a.C., dos hombres se enfrentaron por la hegemonía del Mediterráneo: Tolomeo, señor de Egipto, y Antígono elTuerto, señor de Asia. Y, entre ambos, la estratégica isla de Rodas y la ciudad fortificada del mismo nombre, que ninguno podía permitirse ceder al enemigo. Para Demetrio, el inteligente aunque jactancioso hijo de Antígono, Rodas era una presa que debía tomarse a toda costa....