I woke up and saw a female spirit standing on my boyfriend’s side of the bed." "The cats would not go up the stairs...sometimes they hiss at something out of nowhere." More than two out of five Americans believe in ghosts, and nearly one in five claim they've encountered one themselves. And the rest of us are morbidly curious about it, judging from the wild success of dramatizations of spirit encounters through shows like Netflix's

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Describes four highly intelligent animals: Hans, a clever horse; Alex, a parrot who counts and speaks; Washoe, a chimp who uses sign language; and Betty, a crow who uses tools.

Introduces how scientists study and learn from natural disasters such as hurricanes, tornadoes, El Nino, and volcanoes.

Introduces four endangered species--whooping cranes, elephants, monk seals, and polar bears--and describes what is being done to protect them and their habitats.

Describes six very talented animals: Twiggy, a squirrel who water-skis; Tracker, a dog who acts; Tilly, a dog who paints; Koko, a gorilla who uses sign language and paints; and Siri and Ruby, elephants who also paint.

Presents brief biographical sketches on four athletes that overcame difficult circumstances to achieve success in sports, and includes Wilma Rudolph, Lance Armstrong, Marla Runyan, and Tom Whittaker. 'Includes photographs.

Presents a description of some of the high-tech inventions created since the mid-1900s including the integrated circuit and ENIAC, the world's first electronic computer, Robo-Roach, the Segway human transporter, and a one-person flying machine.

Presents four true stories about people who have overcome extreme medical problems, including the Mohamed and Ahmed Ibrahim, twins joined at the head who were successfully separated in 2003, and Christopher Reeve, the actor who regained some motor and sensory function five years after an accident left him a quadriplegic.

Tells the stories of four athletes who pushed their bodies to the limits of endurance in their quests to achieve their goals.