If you like Alex Rider . . .
Seven Realms novels / Cinda Chima Williams
The Seven Realms will tremble when the lives of Han and Raisa collide in this stunning page-turner from best-selling author Cinda Williams Chima. First book in series - The Demon King / Cinda Williams Chima
Mickey Bolitar series / Harlan Coben
Not all adult writers can write for young adults, but Coben is one to watch! Following the nephew of popular adult detective Myron Bolitar, this series has it all - excellent plotting, good characters and lots of action! First book in series - Shelter : a Mickey Bolitar novel / Harlan Coben
Artemis Fowl series / Eoin Colfer
When a twelve-year-old evil genius tries to restore his family fortune by capturing a fairy and demanding a ransom in gold, the fairies fight back with magic, technology, and a particularly nasty troll. First book in series - Artemis Fowl / Eoin Colfer
Incarceron / Catherine Fisher
Only a two book series, but oh so worth it! Claudia on the outside and Finn on the inside have no idea what they're dealing with, or how to get in . . . or out. See if you can figure it out before they do! First book in series - Incarceron / by Catherine Fisher
Hunger Games trilogy / Suzanne Collins
The series everyone's talking about! First book in series - The hunger games by Suzanne Collins
Max Gordon / David Gilman
After an assassin bursts from the shadows to try to kill him on the grounds of his boarding school in England, Max Gordon realizes his life is about to change forever, in this first novel in a supercharged adventure series. First book in series - The devil's breath by David Gilman
Gone series / Michael Grant
Everyone over the age of 15 disappears. It's a terrifying new world. Sides are being chosen and war is imminent. Ellen's vote for a top ten YA series! First book in series - Gone / by Michael Grant
Alex Van Helsing / Jason Henderson
At a boarding school in Switzerland, Alex Van Helsing learns that vampires are real, that he has a natural ability to sense them, and that an agency called the Polidorium has been helping his family fight them since 1821. First book in series - Vampire rising / by Jason Henderson
Enemy series / Charles Higson
After a disease turns everyone over sixteen into brainless, decomposing, flesh-eating creatures, a group of teenagers leave their shelter and set out of a harrowing journey across London to the safe haven of Buckingham Palace. First book in series - The enemy / Charlie Higson
Young Bond series / Charles Higson
See James Bond before he was 007. First book in series - SilverFin : a James Bond adventure / Charlie Higson
C.H.A.O.S. Trilogy / Jon S. Lewis
After the mysterious death of his parents, surfer Colt is forced into a secret world of aliens, shapeshifters, flying motorcycles, and invisible getaways. The invasion has begun. He didn't ask to be a hero, but now all that stands between us and chaos . . . is Colt. First book in series - Invasion / Jon S. Lewis
Rot & Ruin / Jonathan Maberry
In the zombie-infested, post-apocalyptic America where Benny Imura lives, every teenager must find a job by the time they turn fifteen. He expects a tedious job whacking zoms for cash - whoops! First book in series - Rot & Ruin / Jonathan Maberry
Morpheus Road trilogy / D.J. Machale
Sixteen-year-old Marshall Seaver is expecting a boring summer when his best friend goes away, but instead he finds himself haunted--and hunted--by ghosts that want something from him which he cannot decipher. First book in series - Morpheus Road. The light / D.J. MacHale
Pendragon series / D. J. MacHale
Bobby Pendragon is a seemingly normal and somewhat reluctant 14- year-old boy who is swept into an amazing five-year quest. First book in series - The merchant of death / by D.J. MacHale
Watts Family Adventure seres / Andy McNab
Danny's grandfather was a Deniable Operator before he was betrayed, imprisoned, and falsely denounced as a traitor. Now the real traitor is determined to silence both of them, permanently. First book in series - Traitor / Andy McNab and Robert Rigby
Cherub series / Robert Muchamore
Not just one teenage spy, but a whole branch of the British secret service which recruits orphans and trains them as intelligence officers. First book in the series - The recruit / Robert Muchamore
Chaos Walking trilogy / Patrick Ness
Ever since the settlers were infected with the Noise germ, Todd can hear everything the village men think. He knows that the town is hiding something from him -- something so awful Todd has to run for his life. First book in series - The knife of never letting go / Patrick Ness
Maximum Ride series / James Patterson
Max leads her feisty "family" on a journey of action, adventure, and soul-seeking in this #1 "New York Times" bestselling series. First book in series - The angel experiment / James Patterson
Dark Eyes series / William Richter
Like Anthony Horowitz, author Richter is also a screenwriter, and it shows, especially in the excellent action sequences of this gritty NYC-based thriller. First book in series - Dark Eyes / William Richter
Percy Jackson series / Rick Riordan
Percy Jackson discovers he's a demigod, the son of a mortal woman and one of the Olympian gods. Now he's thrown into the middle of an age old battle between truly powerful forces. Thank goodness he's got an awesome weapon! First book in series - The lightning thief / Rick Riordan
Cirque du Freak series / Darren Shan
Darren Shan gets tickets to the Cirque Du Freak, a gothic freak show with weird, frightening half human/half animals including a truly terrifying spider-thing. And then he meets Mr. Crespley who makes the spider seem like a pussy cat. First book in series - Cirque du Freak / by Darren Shan
Escape from the Furnace series / Alexander Gordon Smith
Convicted of a murder he didn’t commit, sentenced to life without parole, Alex Sawyer knows he has two choices: find a way out, or resign himself to a death behind bars. Except in Furnace, death is the least of his worries. First book in series - Lockdown : escape from Furnace / Alexander Gordon Smith
STORM : the Infinity Code / by E.L. Young
In London, the teenaged geniuses of STORM, a secret organization dedicated to eliminating the world's misery through science and technology, uncover plans for a deadly weapon and race to find and dismantle it, then confront the corrupt scientist behind the scheme.
Dustlands trilogy / Moira Young
Saba's brother Lugh is captured and she has to track him down in a brutal, windswept world. Teamed up with a handsome daredevil named Jack, Saba stages a showdown that will change the course of her own civilization. First book in series - Blood red road / Moira Young