I liked the book "Michael Vey: The Prisoner of Cell 25", so what should I read next?

Sequel
Michael Vey: Rise of the Elgen (also by Richard Paul Evans)

Novels
The Supernaturalist by Eoin Colfer
Code Orange by Caroline Cooney
The Project by Brian Falkner

Series
Trackers by Patrick Carmen
Trackers, Shantorian

Maze Runner by James Dashner
The Maze Runner, The Scorch Trials, The Death Cure, The Kill Order

Six of Hearts by Jack Heath
The Lab, Remote Control

Rich and Jade by Jack Higgins
Sure Fire, Death Run, Sharp Shot, First Strike

Alex Rider Adventures by Anthony Horowitz
Stormbreaker, Point Blank, Skeleton Key, Eagle Strike, Scorpia, Ark Angel, Snakehead, Crocodile Tears, Scorpia Rising

Evil Genius by Catherine Jinks
Evil Genius, Genius Squad, Genius Wars

C.H.A.O.S novels by Jon Lewis
Invasion, Alienation

Lorien Legacies by Pittacus Lore
I Am Number Four, The Power of Six, The Rise of Nine

Daniel X by James Patterson
The Dangerous Days of Daniel X, Watch the Skies, Demons and Druids, Game Over, Armageddon (October 2012)

Maximum Ride by James Patterson
The Angel Experiment, School’s Out- Forever, Saving the World and Other Extreme Sports, The Final Warning, Max, Fang, Angel, Nevermore

Heroes of Olympus by Rick Riordan
The Lost Hero, The Son of Neptune, The Mark of Athena (October 2012)

Kane Chronicles by Rick Riordan
The Red Pyramid, The Throne of Fire, The Serpent’s Shadow

Percy Jackson and the Olympians by Rick Riordan
The Lightning Thief, The Sea of Monsters, The Titan’s Curse, The Battle of the Labyrinth, The Last Olympian

Escape from the Furnace by Alexander Gordon Smith
Lockdown, Solitary, Death Sentence, Fugitives, Execution (November 2012)

H.I.V.E by Mark Walden
H.I.V.E: Higher-Institute-Of-Villainous-Education, The Overlord Protocol, Escape Velocity, Dreadnought, Rogue, Zero Hour

Leviathan by Scott Westerfeld
Leviathan, Behemoth, Goliath

Uglies by Scott Westerfeld
Uglies, Pretties, Specials, Extras, Uglies: Shay’s Story (graphic novel)