Explains the science behind geothermal energy, from where it originates to how it can be utilized to generate electricity.

Presents information about nuclear power as an energy source, covering the history of nuclear power, its pros and cons, how people use nuclear power today, and how it may be used in the future.

Readers learn about oil and coal as an energy source, including how it has been used in the past, how it's used today, and how it may be used in the future.

Readers learns about the history of natural gas, how it is used today and how it may used in the future.

Two brothers, Lucas and Travis, and their father are on a hunting trip deep in the woods, and the cabin where they are staying boasts a wolf skin that supposedly came from a werewolf--so when Lucas and the skin disappear, and neither are ever found, the question is: whose skin ended up on Professor Igor's wall?

Professor Igor tells the story of Taylor who, while on a school field trip looking for fossils, stole another student's wallet and buried it next to what looked like a fossilized shark fin--but when he came back the next day to retrieve the wallet he found that where there are fossil fins, there are also fossil teeth, and not all the sharks were entirely dead.

Diego and Martin decide to skip school, and spend the day at the beach, but a very odd lightning storm changes their plans, especially when the sea suddenly seems to be full of a strange kind of jellyfish--but these "jellies" can invade people's brains and turn them into zombies.

Elijah Stapes wants to be taller, and more like his brother Nico, and friend Cooper, so he orders a bottle of Tall-time Tonic from This For That Company, which promises to make his bones longer--but he does not find out where the extra bone comes from until it is too late.