David Seidman

Supply and demand is a basic necessity of economics used for setting price based on availability. This guide explains supply and demand in a manner that makes it easily comprehensible for a young adult and teen audience. From the simple cost of labor to how production affects the modern consumer, this guide is a must-read for any young economist.

Tells the story of how Samuel Morse developed a working telegraph in 1844 that changed the way people communicated. Written in graphic-novel format.

After chasing the evil Mala through space, Superman returns to Earth, and he finds people running from him. While Mala had decoyed Superman, her partner, Jax-Ur, disguised himself as Superman and terrorized the world. Now Jax-Ur and Mala plan to save the people of Earth from Superman, become their new hero, and lead them in Jax-Ur's quest to take over the planet. Superman has to stop Jax-Ur and Mala, but it's not easy when they have a whole world...

Hercules is drawn into the conflict between two neighboring towns only to discover that the source of the conflict appears to be Hercules himself. As he struggles to undo the damage done by an imposter acting under the influence of powerful sources, Hercules finds allies in the most unlikely places. But will this be enough to avert an all-out war? Based on the hit television series created by Christian Williams, The First Casualty continues the legendary...

"What on Earth could a science teacher who loves spiders but hates Spider-Man teach Peter Parker? Surprisingly, quite a bit! In this Spider-man adventure, Peter Parker takes what he learns in science class and uses it to capture the villain."--Back cover.

When the Molten Man, who has extremely hot metallic skin, tries to steal a meteor rock to make himself stronger, Peter Parker, who was sent to take pictures of the rocks, is forced to fight the villain in the form of Spider-Man.

With Sela gone, Belinda is having a ball ruining the lives of almost everyone who crosses her path. A lonely puppet-maker creates a son from a cursed piece of wood only to have to face a terrifying reality! A mysterious and ancient statue has the power to keep those who possess it forever young but at what cost? A painting ages for a man who finds that eternal youth is nothing but an eternal curse! Introducing six new fairy tales retold and re-imagined...