Colorado Parks & Wildlife Research Library

When demons begin appearing on Earth unpredictably, foreshadowing a cataclysmic breakdown of their magic, Artemis and his friends face a new foe--a twelve-year-old girl whose intellect just might match Artemis's own--as they try to prevent catastrophe.

"A boy with fiery breath . . . a girl with dragon wings . . . Outcasts Billy and Bonnie must come together to preserve a secret legacy more than a millennium in the making. They find their lives turned upside down when they are thrust into a war against evil, a war they didn’t even know was being waged. Their newly formed friendship is tested and shaped as they are forced to fight a malevolent slayer who wields a powerful, medieval weapon and is...

When the Nephilim, a race of giants from ancient times, invade Second Eden, endangering the existence of that alternate dimension as well as every soul on Earth, the two Oracles of Fire, Sapphira and Acacia, and two young girls lead the battle to stop them.

Possessing half-demon, half-gargoyle powers that render her deadly to anyone with a soul, Layla works as a protector of humanity and struggles to fit in before meeting an alluring demon who tempts her to engage in a traitorous act.

In his ongoing battle to save Earth and its parallel worlds from the demon Saint Dane, fifteen-year-old Bobby Pendragon travels to Veelox, a world whose inhabitants have abandoned their real lives in favor of virtual reality.

"The otherworldly Karou struggles to come to terms with who and what she is, and how far she'll go to avenge her people"--

Seventeen-year-old Karou, a lovely, enigmatic art student in a Prague boarding school, carries a sketchbook of hideous, frightening monsters--the chimaerae who form the only family she has ever known.

As the fiery wall of Abraham dies away, the people of Second Eden wait for the coming war, unaware that a spy has come among them.

"The world has fallen in love with Nick Gautier and the Dark-Hunters. Now Nick's saga continues in the next eagerly anticipated volume... Go to school. Get good grades. Stay out of trouble. That's the mandate for most kids. But Nick Gautier isn't the average teenager. He's a boy with a destiny not even he fully understands. And his first mandate is to stay alive while everyone, even his own father, tries to kill him. He's learned to annihilate zombies...

Still pursuing a cure for her mother's enchantment, Clary uses all her powers and ingenuity to get into Idris, the forbidden country of the secretive Shadowhunters, and to its capital, the City of Glass, where with the help of a newfound friend, Sebastian, she uncovers important truths about her family's past that will not only help save her mother but all those that she holds most dear.