"Becker has created a delightful hero in underdog, Darren Dirkowitz. ..Chock full of code names and encrypted missions, comic doodles and handwritten editorial comments, Dirk Daring, Secret Agent is a high-energy race car speeding to what looks like certain disaster. But underneath is a gentle and thoughtful look at the scary parts of being ten years old. ..A highly imaginative and enjoyable read and the underlying message adds to, rather than detracts from the fun. "

- National Reading Campaign blog

"Friendships are strongly tested throughout the novel, which is peppered with imaginative turns of phrase and bursts of energy. The book is an enjoyable and quirky read. ..These are real kids behaving with all the creativity and energy one would expect of them. But beneath all the play and humor is a genuine emotional core, exploring the trials and tribulations all friendships endure when moving from elementary school on to junior high. A stunning last-minute twist pushes the book above and beyond. A clever romp that's enhanced, not lessened, by its message. "

- Kirkus Reviews

"Full of wisecracking jokes, shifting alliances, and betrayals, Becker's school-day caper offers a steady stream of surprises and laughs. Darren maintains a deadpan, noir-ish tone ('No one must know of my covert actions. Therefore, I use ultimate discretion and a steady hand to obtain my ink') even when, for instance, he's using his own urine as invisible ink. "

- Publishers Weekly

"Both a sophisticated and acceptable middle-grade read, balancing potty humor with irony and witty sarcasm while offering a nicely complicated noir-like plot in a straightforward style. Darren/Dirk makes an appealing narrator, confident in his espionage abilities but less so in his social graces. The various twists in the story keep the pages turning. ..An attractive puzzle that will leave reluctant readers feeling triumphant both in their reading and sleuthing skills. "

- The Bulletin of the Center for Children's Books

"Simple drawings along the edge, graphics of emails sent, and other text features add interest to the pages. You don’t have to be a future spy to enjoy this book, but tweens that enjoy school drama will like the spy twist. "

- Library Media Connection

"Dirk’s voice is completely in spy-mode, making for an amusing narrative, and the myriad illustrations, including cartoons, diagrams, case files and text messages, will interest modern readers, especially Wimpy Kid fans. ..Kids in grades 4-6 will find Dirk’s adventures to be humorous and entertaining, good for a read-aloud or individual reading. "

- Southwest Ohio and Neighboring Libraries

"The book has many funny illustrations tucked into random pages and has plenty of spy tricks that the reader can learn. This is a great chapter book with animations and both boys and girls will enjoy reading and sleuthing along. ”

- Resource Links

"Even a trip to the grocery store to buy hamburger buns can become a super, secret spy mission when you’re Dirk Daring, secret agent (a. k.a. Darren Dirkowitz). ..Excerpts from Darren’s spy notebook are amusing and give insight into characters. Dirk Daring, Secret Agent is a quick, enjoyable read with plenty of potty humor to reel in reluctant readers. "

- School Library Journal

"The nonstop action, evolving plot, fleshed-out characters, gross-out jokes, intermittent cartoonish illustrations, and overarching themes of friendship and self-discovery should resonate with middle school readers. Recommend this to fans of Sammy Keyes and Hunter Moran. "

- Booklist