Primeros Ejercicios de Calculo

In June of 1870, Charles Dickens died before finishing his last novel, The Mystery of Edwin Drood. The ending of that novel would become one of the great literary enigmas of all time. In 2018 the filmmaker Hugo Almagro agrees to write a script about The Mystery of Edwin Drood.

The poetry of Mercedes Roffe knows how to surround the silence, seduce the readers from an abyss feeling, and dares to skirt the limits in a plural sense. It is a return trip to the genesis and future of every word, a journey whose highest points happen whenever lightning appears. That is, whenever Roffe captures the poetic brilliance of words. She is currently one of the greatest voices in Argentine poetry. Some of the most sensitive aspects of human experiences are included in this ninth book of poems."

This award-winning beginner's guide to the natural world of fish from the creators of the About... series was named an "NSTA Recommends" book. Noted educator and author Cathryn Sill uses simple, easy-to-understand language to teach children the basic characteristics of what fish are, how they swim, breathe, and reproduce, and explains the different ways they protect themselves from predators. With beautifully detailed, realistic paintings, noted wildlife illustrator John Sill introduces readers to the diversity of the fish population, from an Arctic char to a porcupine fish. An afterword...

A picture-book biography of St. Pedro Claver (d. 1654), a Spanish Jesuit missionary to the New World, who is the patron saint of slaves.