“A Christmas in Time (The Time-Seekers)” is a captivating children’s historical fiction novel by Sally Nicholls, with enchanting illustrations by Rachael Dean. This festive adventure transports readers to Victorian England, where siblings Alex and Ruby discover a magical mirror that whisks them back in time. As they navigate the challenges of the past, they must solve a mystery to save a young girl and return home. Themes of friendship, bravery, and the spirit of Christmas are woven throughout this heartwarming tale, making it a delightful read for young history enthusiasts and fans of time-travel adventures.