Helen Plum Library

Soon after its debut at the time of the Civil War, the Gatling gun changed the nature of warfare and the course of world history. Discharging 200 shots per minute with alarming accuracy, the world's first machine gun became vitally important to protecting and expanding America's overseas interests. Its inventor, Richard Gatling, was famous in his own time for creating and improving many industrial designs, from bicycles and steamship propellers to...

New adventures await Doctor Proctor, Lisa, and Nilly as they try to protect Oslo, Norway, from invading aliens, enormous snakes in the sewers, seven-legged Peruvian sucking spiders, and sinister waffle irons

The fifth graders of Liberty Falls Elementary have a reputation for trouble, but they manage to convince their principal to let them go on a field trip to the mansion of Edward Minks (local inventor, founder of the town, and great-great-great grandfather of fifth-grader Eddie), and search for the secret inventions that are rumored to be hidden there--but once at the estate they find that they are not the only people searching, and somehow this class...

Someone is sabotaging student projects and all signs point to Tom's friend Sam as the culprit, so Tom and his friends set out to clear her name

Jabari is making a flying machine all by himself, but when it doesn't work the way he imagined, he learns about perseverance and problem-solving

"A picture book biography of Leonardo da Vinci"--

"Tykotech City is a marvelous and peaceful place, filled with technology beyond anyone's wildest dreams. But as power cuts begin to plague the residents, and a sinister force infiltrates the city, the lives of the cityfolk are in terrible danger... It falls to Juniper Mae, a tiny, brave inventor, obsessed with the legends of the Guardian Knights, to overcome her fears and save her city. Can she embody the bravery of the Guardian Knights and invent...

The rich and fascinating history of the scientific revolution of the Victorian Era, leading to transformative advances in the twentieth and twenty-first centuries. The Victorians invented the idea of the future. They saw it as an undiscovered country, one ripe for exploration and colonization. And to get us there, they created a new way of ordering and transforming nature, built on grand designs and the mass-mobilization of the resources of the British...

Something seems amiss when an overnight lock-in at Swift Enterprises turns into a quarantine lock-down, and Tom and his friends must find the real reason behind it all