Ailynn Collins

NASA's Orion spacecraft is pushing the limits of space travel and exploration like never before. The ultimate goal is a mission to Mars! Learn about the challenges that scientists, engineers, and astronauts must overcome to make this dream a reality.

The date is April 18, 1906. The city of San Francisco has just been rocked and shaken by a huge earthquake. Even worse, the quake causes huge fires to break out across the city. Can you escape your damaged home before it collapses? Will you join the firefighters as they try to save the city from the devastating fires? Will you be accused of looting after helping a boy escape from some rubble? With dozens of possible choices, it's up to YOU to survive...

YOU are an Asian immigrant in the early 1900s. You dream of a life in American, but first you'll have to pass through the Angel Island Immigration Station. How long will you be stuck there? And will you pass the necessary tests or be sent back? Step back in time to face the challenges and decisions that real people encountered as they sought a new life and better life in a different country.

Probes can explore the depths of space in ways that would kill human beings. The information they provide can spur countless innovations here on Earth. Learn how probes work and the exciting possibilities that their discoveries may inspire.

When Enzo Ma travels to Saturn's moon Titan to visit his friend, Jed Cresta, things are about to get complicated. When Enzo meets Jed's teacher and mentor, Dr. Penelope Lane, she seems short-tempered and behaves strangely. Later that night, Dr. Lane's behavior grows even more bizarre at a party honoring one of her fellow scientists. The next morning when she doesn't show up at the lab, Enzo and Jed decide to go to her quarters to see if she's okay....

When 12-year-old Adam and his Mom buy an old wardrobe at a local furniture store, an old woman begins to yell at them. She claims that the wardrobe belongs to her, and that they have no right to have it. The store owner shoos away the old woman and apologizes, explaining that "The Witch" has been causing problems and shouting curses at people in the neighborhood for years. Everything seems fine until later that day. When the movers are delivering...

Xenia thinks the forest behind her new home in Ravens Pass is creepy. She ventures in anyway, though, after her new friend Zef insists on exploring. As the girls wander between the ancient trees, the roots underfoot seem to shift and wriggle. Then they start to reach and grab. This forest isn't just creepy. It's hungry! Packed with haunting black-and-white illustrations and spooky frights, this thrilling Return to Ravens Pass tale will chill young...

In their long journey from San Francisco to Lusk, Wyoming, in 1889, David (Siu-Long) Wong and his parents have encountered terrible prejudice because they are Chinese immigrants; but here they are given a job at John Bell Hatcher's paleontological excavation digging up dinosaur bones, including an eight-foot long Triceratops skull, and David becomes fascinated by dinosaurs and resolves to become a paleontologist. Includes historical note on J.B. Hatcher....