"When the world's most famous black diamond is stolen during a magazine cover shoot in New York City, it's up to undercover model Axelle Anderson to crack the case"--

Mac B. and his arch-nemesis are facing off at the Video Game World Championships! But first, Mac B. needs to crack an unbreakable secret code... can he solve it in time to defeat his enemy? Mac B.

The Queen of England calls on her trusty spy, Mac B., once again. This time, Mac must navigate secret tunnels beneath the Berlin Wall in order to retrieve cheat codes from a Soviet scientist. Floppy disk in hand, our hero finds himself trapped in East Germany, stuck between the wall and the Stasi. How will he escape? Well it is 1989, and walls do fall down.

This is Emma Perez, and I'm ON THE AIR!I found a clue about a "lost princess" in the Jefferson Market library, and now I'm using my extra-famous reporter-detective skills to go undercover and find her! Emma Perez solved Javier's wormburger mystery, found Sophia's Lion costume, and tracked down her dance teacher's special tambora drum. Now she'll have to learn an extra-special reporter trick: how to go undercover to solve a case! Can she find the "lost...

"Laia is a Scholar living under the iron-fisted rule of the Martial Empire. When her brother is arrested for treason, Laia goes undercover as a slave at the empire's greatest military academy in exchange for assistance from rebel Scholars who claim that they will help to save her brother from execution"--

Daunis, who's part Ojibwe, defers attending the University of Michigan to care for her mother and reluctantly becomes involved in the investigation of a series of drug-related deaths.

In the year 2030, six teens who have been modified to look like the aliens who are battling for control of Earth go behind enemy lines and discover a shocking, secret alien project.

In this second installment in the New York Times bestselling series from Edgar Award winner James Ponti, the young group of spies returns for another international adventure perfect for fans of Spy School and Mrs. Smith's Spy School for Girls.

Publisher Annotation: After taking down a mole within their organization, the City Spies are ready for their next mission-once again using their unique skills and ability to infiltrate places adults can't. The sinister Umbra has their sights set on recruiting a North Korean nuclear physicist by any means necessary, and the City Spies plan to keep an eye on his son by sending Paris to the chess prodigy's tournaments in Moscow and Beijing. Meanwhile,...