Colorado Parks & Wildlife Research Library

"What do you do when your instincts and obligations pull you in opposite directions? When there are multiple leads, which one do you follow? After a school field trip goes horribly wrong, Kensy and Max are left with a sneaking suspicion that the incident was no accident. But there's no time for investigation as the twins are whisked away to Switzerland on a fully sanctioned Pharos mission. Upon landing in Zermatt, Kensy and Max are tasked with infiltrating...

Fifteen-year-old Freedom Smith is a fighter, just like all of his relatives who have the "Hercules gene," which leads him to a choice between being jailed for attempted murder or working with a covert law enforcement agency to break up a mysterious, illegal fight ring.

To crack a secret code, Mac follows the clues to France and Japan where he must use his gaming skills and defeat his enemy, the KGB Man.

Fifteen-year-old Addie and Eva, still sharing a body as they fight for hybrid freedom, jump at the chance to go undercover and film the wretched conditions of a hybrid institution, but they price they might pay for the hope of a better future is higher than they could have imagined.

When Marcus leaves Clara Knowles for another girl, Clara sinks into unhappiness and Lorraine Dyer tries to save Marcus from a loveless marriage, while their fellow flapper, Gloria Carmody, is hiding a deadly secret while living among socialites at Forrest Hamilton's Long Island villa.

Fourteen-year-old Andréa Hernández-Baldoquín hails from a family of spies working for the Factory, an international organization dedicated to protecting people of color. Andréa has dreamed about getting her first solo mission, but she never imagined that she would have to straighten her hair and go undercover as a white girl to befriend the estranged son of a dangerous white supremacist. In order to gain the boy's trust, Andréa finds herself...

LAPD Sergeant Shane Scully discovers that his friend and colleague Jody Dean--who supposedly committed suicide two years previously--has joined a destructive group of rogue cops called the Vikings, who are determined to wreak havoc on the LAPD.

"Agent Luna has been undercover at Nobel High School for most the school year ... With her secret [identity] on the verge of being exposed Luna begins a dangerous alliance with Jonah --who may also turn out to be her first boyfriend"--Cover.

Following their successful Rio heist, Dom and his crew of professional criminals have retired around the world. But their inability to return home and living forever on the lam has left their lives incomplete. Hobbs asks Dom and Brian to help him take down an organization of lethally skilled mercenary drivers. In return, their crew will receive full pardons and be allowed to return home.

Two mismatched cops, the angry and bitter Van Ray, and the brash Deaqon Hayes, are forced to team up by a shady vixen police lieutenant, Billie Chambers, into going undercover in the seedy side of Los Angeles using a variety of police confiscated flashy cars, clothes, weapons and other items, kept in a large secret warehouse called the Candy Store, in order to nail various low-lifes and rich and powerful criminals.