After purchasing a time machine at a garage sale for three dollars, Liam uses it to summon Thomas Edison for help with his book report, but when a different Thomas Edison from the 1930s arrives, hilarity ensues.

"Describes history's biggest and most destructive hurricanes from around the world"--

"Wind blows dry, tall grass. A storm brews. Lightning strikes the ground, and soon, flames spread across the grassland. It's a wildfire!"--

Legend says that an eccentric millionaire hid a treasure somewhere inside the legendary "White City" at the 1893 World's Fair in Chicago. Elsa and Liam have reason to believe that treasure holds the key to finding Elsa's grandfather who disappeared mysteriously over a year ago. The kids decide to break out the duct tape and twist ties to reassemble the World's Worst Time Machine. They're on the hunt! Liam and Elsa are not the only time travellers...

"An earthquake shakes a snow-covered mountain. The fresh snow slides down. It's an avalanche!"--

Examines three of the world's worst shipping disasters, discussing the consequences and how they could have been averted.

Examines the events leading to the Apollo 13 explosion, failed Soyuz 11 mission, and the Challenger disaster, the consequences of these accidents, and how they might have been averted.

"All Vlad really wants is some friends and he knows just where to find them - school. But fitting in at human school isn't easy for a little vampire, especially with his pet bat tagging along!"--Page [4] of cover.