Wen Spencer

Inventor, girl genius Tinker lives in a near-future Pittsburgh which now exists mostly in the land of the elves. She runs her salvage business, pays her taxes, and tries to keep the local ambient level of magic down with gadgets of her own design. When a pack of wargs chase an Elven noble into her scrap yard, life as she knows it takes a serious detour. Tinker finds herself taking on the Elven court, the NSA, the Elven Interdimensional Agency, technology...

"Book 4 in the Romantic Times Sapphire award winning Elfhome series. Even though they attend a school of gifted students in New York City, child geniuses Louise Mayer and her twin sister Jillian have always felt alone in the world, isolated by their brilliance. Shortly before their ninth birthday, they make an amazing discovery. They're not alone. Their real mother was astronaut Esme Shenske and their father was the famous inventor, Leonardo Dufae....

"Silas Decker had his world destroyed when he was attacked by vampires outside of New Amsterdam. He's rebuilt his life a dozen times in the last three hundred years--each time less successfully. Now he lives alone. Eloise is a Virtue, pledged to hunting evil. What she doesn't know is how to live alone in a city full of strangers who know nothing about monsters. Seth is the sixteen-year old Prince of Boston, ward of the Wolf King. Now he is left in...