Eleven-year-old Melody Vega and her family visit Glacier National Park every summer, but this year Mel comes face-to-face with a terrifying grizzly bear.

For eleven year-old Hugo Ballard, flying on the Hindenburg is a dream come true. Hugo, his parents, and his four-year-old sister Gertie, are making the thrilling four thousand mile journey across the Atlantic in a zeppelin as big as the Titanic. But as the zeppelin gets ready to land, a blast rocks the Hindenburg and fire consumes the ship. The entire disaster lasts a mere thirty-two seconds, but in those few seconds, Hugo finds himself separated...

One boy will struggle to stay alive as the great city of Chicago burns.

"A Leo le gusta ser rejpartidor de periódicos en San Francisco. Necesita el dinero y el trabajo le proporciona, además, la libertad de explorar la maravillosa ciudad que crece junto al nuevo siglo. Coches tirados por caballos comparten las calles con elegantes automóviles; familias y comercios, provenientes de todas partes, se instalan a diario en sus vecindarios. Es un lugar en el que todo parece posible. Sin embargo, una mañana de primavera,...