Recently recruited and trained as a special agent by M16, the British secret service, 14-year-old West Londoner Alex Rider is sent to infiltrate an ulta-private school where the rich and powerful send their uncontrollable, rebellious sons. What he discovers in the mountaintop fortress of the campus are enough armed guards to repel an invasion-and new classmates who have become eerie copies of each other in their compliantattitudes and actions.

"Twins Myles and Beckett face off against Lord Teddy Bleedham-Drye, the Duke of Scilly, who has been plotting revenge against them since they humiliated him"--

"A group of kids discovers they were cloned from the DNA of some of the greatest criminal masterminds in history for a sociological experiment"--

Thirteen-year-old Bethany's parents have always been overprotective, but when they suddenly drop out of sight with no explanation, leaving her with an aunt she never knew existed, Bethany uncovers shocking secrets that make her question everything she thought she knew about herself and her family.

Thirteen-year-old Sam and her father scrape by caring for rescued elephants until an offer comes through that may not only save the sanctuary, it may also restore an extinct species. Includes facts about woolly mammoths and cloning.

Dr. Bunsen is just trying to help. Really, he is. This time, when Dr. Bunsen overhears the kids complaining about all their chores, he lends an extra hand by creating clones out of Gabe, Laura, and Cesar! But when the clones start acting out and Bunsen's solution goes haywire, can the kids undouble the DATA Set trouble?

Bizarro only wanted a few companions when he got cloning technology from Lex Luther, but instead he got 100 doppelgängers who promptly turned against him and drove him out of his own world--now he has turned to the Justice League for help in bringing the situation under control, and saving Bizarro World from clone chaos.

When her sister Violet dies, Cate's wealthy family brings home Violet's clone, who fits in perfectly until Cate uncovers something sinister about the cloning movement.

Ira Fishman is shocked to find a clone of himself in his bedroom. Now more are showing up and his bedroom is getting crowded. Worse, the clone he sent to school in his place is ruining his life.

Seventeen-year-olds Lizzie, Ella, and Betsy Best are clones, raised as identical triplets by their surrogate mother but living as her one daughter, Elizabeth, until their separate abilities and a romantic relationship force a change.