Jeffrey has a math test in the morning, tonight he has a murder to solve. Grab your magnifying glass and curl up on the couch! You're about to enter the mysterious and action-packed world of the North Hollywood Detective Club. A world of secret staircases , dangerous double-crosses , and graveyards at midnight , cloaked in mist and concealing hidden treasure . A page-turning world of teenage detectives uncovering clues and matching wits with blond blackmailers , cunning counterfeiters , and fifteen-year-old femme fatales . Together for the first time in one volume, here are Books 3 & 4 of this mystery and adventure series for teens and tweens: The Case of the Christmas Counterfeiters and The Case of the Deadly Double-Cross . It's double the mystery and double the fun! Book Three - The Case of the Christmas Counterfeiters A girl with a secret. A criminal mastermind. And two billion dollars in counterfeit currency. While the rest of the world prepares to celebrate Christmas, Jeffrey and his friends uncover a plot to flood Los Angeles with billions of dollars in counterfeit currency. Their investigation leads them to a master criminal, his hoodlum son, and a mysterious 15-year-old girl who holds the key to the entire puzzle. With time running out and Jeffrey's heart falling for the secretive girl, will he and his friends foil the ingenious plot or be swept away into a life of crime? Action-packed from start to finish, readers have voted this their favorite book in the series. Book Four - The Case of the Deadly Double-Cross Framed for murder! All Jeffrey wanted to do was help a friend from school find her missing father. He had no way of knowing it would lead to his being arrested for the man's murder. Now after a daring escape, he and his friends must solve an impossible crime and catch a killer -- before the police catch them. New Friends & New Adventures! Do you remember the last time a book swept you away and kept you reading late into the night (perhaps under the covers)? Would you like to feel that excitement once again, or pass it along to a young reader in your life? Here's your chance to do just that. 5 Stars! "My 12-year-old loved this book."—S.J., Amazon Reviewer 5 Stars! "My 13 year-old daughter loves this series."—Yvonne, Amazon Reviewer 5 Stars! "Must-read series."—Sandra, Amazon Reviewer 5 Stars! "Utterly Fantastic! I absolutely adored this novel, as a thirteen year old girl I have found friendship, mystery and enjoyment of this book. It was such a great book that I stayed up until 1:32 am! ... I could not put this book down. I followed along to the story being told and was engaged into finding out who was guilty it was like I was there being a part of the "North Hollywood Detective Club" with the four teens/tweens! Please write more of these books cause I will not stop reading these!"—Jordan, Amazon Reviewer A Book is a Friend that Will Never Leave You Book 1: The Case of the Hollywood Art Heist - Book 2: The Case of the Dead Man's Treasure - Book 3: The Case of the Christmas Counterfeiters - Book 4: The Case of the Deadly Double-Cross - Book 5: The Case of the Jilted Juliet - Book 6: Homework is Hard, Murder is Easy Shelf with teen mystery books, ya mystery books, books for boys who don't like to read, mystery books for boys, mystery books for girls, mystery books for kids, mystery books for teens, books for 5th grade boys, books for 5th grade girls, books for 6th grade boys, books for 6th grade girls, books for 7th grade boys, books for 8th grade, books for 9th grade, mystery books for kids 9-12, action adventure books for boys, counterfeiting books for boys.