When two children discover thousands of iron insects about to descend upon Elkhart, Indiana, they race against the clock to uncover the secret of the bizarre bugs and try stop them before they terrorize the entire city.

"The town of Newtonburg has been invaded by all sorts of creepy-crawlies from mosquitoes to bees to ants and more. What's worse is that they are all mysteriously swarming toward Dr. Bunsen's house when the kids get shrunk down to the size of insects"--

Examines how insects have been used as weapons in wartime conflicts throughout history, presenting as examples how scorpions were used in Roman times and hornets nests were used during the MIddle Ages in siege warfare and how insects have been used in Vietnam, China, and Korea.

When something goes wrong with their spaceship, Professor Sponge, his grandchildren, Max and Lucy, and Soap, the space dog, land on a planet filled with huge insect combatants

Mighty mozzarella! A swarm of hungry insects is chewing up everything in Muskrat City. Even Superstilton's and Swiftpaw's capes have more holes in them than two slices of Swiss! Can the Heromice figure out who's behind the insect invasion? And can these bad bugs be stopped before they take over the city?