After a hacker breaches the school’s grading system and gives students failing grades, Grady Hopkins wants to set the record straight. Along with coders Ava and Marco, Grady follows a trail of IP addresses as he searches for the perpetrator. Will they find the truth before everyone flunks sixth grade?
When a mysterious lunch thief leaves behind a card with a website address, Ava Rhodes can’t help but check it out. After the site leads her to a really boring online video game, she’s even more determined. Can GPS tracking help Ava and her friends find the thief? Or will more lunches go missing?
When his little brother loses the class hamster, Marco Martinez comes to the rescue with a robot and some coding tricks. But will a robot rescue mission be enough to catch this speedy rodent?
When weird noises in the school’s media center have students spooked, Marco Martinez is on the case. Marco writes up a code to alert him of any ghost-like activity. But does he have more than ghosts to be afraid of?
Presents stories of crop circles, designs that appear in crop fields, often overnight. Examines the evidence of various explanations.
Presents stories of the Loch Ness monster in Scotland, examining the evidence of various explanations and hoaxes surrounding this legend.
Readers of this book will investigate the facts and compare the data provided in the easy-access text and compelling diagrams and infographics, and then decide for themselves what UFOs really are.
Readers of this book will investigate the facts and compare the data provided in the easy-access text and compelling diagrams and infographics, and then decide for themselves if ghosts are real.
Readers of this book will investigate the facts and compare the data provided in the easy-access text and compelling diagrams and infographics and then decide for themselves if ESP is real.
Readers of this book will investigate the facts and compare the data provided in the easy-access text and compelling diagrams and infographics and then decide for themselves if places really are haunted.
The mind is a powerful instrument. It influences everything we do and say. We all talk about a sixth sense, or ESP. This book examines mind over matter, looking at claims that brain power alone can bend spoons, identify things without having seen them, or even read the minds of astronauts!
More than 2,300 years ago, the Greek philosopher Plato wrote about a glorious ancient city that sank without trace beneath the waves. Ever since that time people have wondered where this lost city, Atlantis, might be and whether it actually existed. Students will thrill as they learn about the different theories of, and search efforts for, this mythical city.
For centuries the human brain was a mystery. Scientists only started to unravel its secrets over the past few decades, but there is still a great deal that we don't yet understand. This fascinating book describes experiences common to many people that our brains tell us are happening but which can't be proven by science. Read about deja vu, premonitions, near-death experiences, hypnotism, memories of past lives, and more!
From card tricks to reading minds, the art of magic lies in the magician's or illusionist's ability to deceive the audience. Read about the mysteries that lie behind some of the most spectacular magic tricks and illusions ever performed, including slight of hand, escapology, levitation, sword swallowing, and more!
Why would the ghosts of two crewmen who died in a 1972 air crash in the Everglades appear to other aircrafts flying the same route? This book tells the stories of the people who believe they have met these ghosts of the airways!
For centuries, sailors have told tales of sea monsters and serpents that have attacked their ships. Many stories tell of giant squids with their tentacles wrapped around the trapped vesselsbut what is the truth behind these tales? Are there such monstrous creatures that live in the deepest and darkest waters?
Strange objects have been reported in the skies for centuries bright objects, moving shapes, lights traveling in formation. In 1952 alone, there were 1,500 reports of UFO sightings! This book examines the evidence and questions whether these are real UFOs.
Stories of mysterious creatures landing on Earth and living among us have been around for years. There are even people on record who have claimed to have been abducted by aliens! This volume searches for the truth, examining the stories and evidence of alien visitors.
The Abominable Snowman, Bigfoot, the Wildman of China - there have always been tales of sightings of ape-like creatures in mountainous, out-of-the-way places. This volume explores the possible connections between prehistoric man and these elusive creatures of the wild.
Josie is fascinated with the secrets of the prehistoric world. She and her grandfather, an amateur paleontologist, explore the beaches and cliffs near Stone Trees Cottage in Nova Scotia. Tiny bones have been discovered, but what are they from? As Josie searches for the answer, she is forced to cope with an accident and competition from an unpleasant neighbor. Time is of the essence, for she must find the answer before someone else does and before the tides and waves that exposed the secret wash it away forever.
