Before receiving what might have been the strangest gift ever, 12-year-old robot enthusiast Alex's life was already plagued enough with bullies and homework. But when he receives a toy robot from his enigmatic grandfather, along with a note that reads "This one is special," a sequence of supernatural events sets off around Alex, and right before things take a deadly turn, Alex's grandfather appears just in time to save his life...and pack him away in an impromptu snowy trip across Europe. As the two begin to unravel the mysteries behind the robot's magic, Alex finds himself becoming the main target of a group of mysterious assassins who follow his every move in the hopes of possessing his robot, and he is forced to battle villains of both human and robot form as he grapples with the immense, monstrous powers of his seemingly innocent toy.
Monstrous Devices is whimsical and unique, and although it is for middle-school aged children, the author is not afraid to add in some chilling, horror-adjacent plot points throughout the story (this novel literally begins with a murder scene...no more on that). While reading this book, I felt as if I was tagging along with Alex and his grandpa as they outwit the assassins; I could hear the robots the assassins used as weapons whizzing and whirring in their deadly attacks, and I could practically see the landscape this book is set in. The bits of history about robots and magic the author added in was also very intriguing, adding a mythical element to the story.
On the other hand, the ending of the book felt somewhat abrupt for me, and there were a lot of questions I had about the characters and the plot that were left unanswered. The lore behind the robot, and even Alex and his grandpa's own backstories, were a little hard to follow, and I ended up somewhat dissatisfied with the lack of conclusions the author gave. The characterizations of the assassins only left more questions, their motives were very unclear, and their eventual fate did not sit quite right with me. I do, however, know that there is a sequel to this book, and I hope that it will tie together some of the unresolved tensions.
In the end, even though it has its flaws, Monstrous Devices remains a magical and entertaining read that young readers will surely enjoy.