"Wordsmith Hardy conjures up her world-building magic while Saccani's illustrations bring the adorable characters and their fun-filled adventures to colourful life . the perfect early reading package." - Lancashire Post "What most of our youngest readers comment on is how much they love that there's a mystery to solve in the books, and this one certainly keeps them guessing as they try to find a missing birthday cake! The colour illustrations throughout by Agnes Saccani are also a big hit, as readers enjoy visualising the bionic animals and curious inventions that are such a huge trademark of Vashti's writing." - Toppsta's Best New First Chapter Books 2025 "Vashti's trademark world-building brilliance, adorable characters and magic to sweep readers away . The Moonlight Mystery Agency is a series we are all going to sign up to join!" -- Check 'Em Out Books, blog "Absolutely iconic Vashti Hardy, this vibrant story is a fabulous combination of STEM, action-packed adventure, engaging mystery and family connection. A bionic unicorn and a cog bunny named Gearlop join Hana and her new friend, detective cat Ace on a journey full of kindness and fun." -- Scope for Imagination, blog "STEM references, encouraging empathy, magical world-building, steampunk, discovering new places and heart-warming messages of friendship, family bonds and kindness. I have no doubt many young readers will be secretly wishing for an invitation to join the Moonlight Mystery Agency!" -- Book Craic, blog "Kicks off the magical Moonlight Mystery Agency series with charm, adventure, and a sprinkle of mystery! .

With Vashti Hardy's signature world-building and lovable characters, this story is perfect for young readers who adore magic, friendship, and solving mysteries!" -- Drawing on Books, blog "The Moonlight Mystery Agency will, I think, tempt the youngest audience to venture into [Vashti Hardy's] imaginary worlds . This tempting package is a lovely start to a new series." -- A Library Lady.