Jack and Wanda have gone back in time on the trail of an alien criminal mastermind, who has travelled back to Victorian London. Can the Alien Detective Agency solve the case of the Horror in the Chamber!This series stars protagonists Jack Swift and Wanda Darkstar, a duo who police alien criminals, both on Earth and beyond! These unique and popular books are designed to engage reluctant and struggling readers through simple language, short sentences and comic storylines. Though the same main characters are featured throughout the series, there is no defined sequence and each book can be read individually.This hi-lo Heroes & Adventure series for struggling and reluctant readers has been written for children aged between 9 and 14 years, whose current reading age is between 8 and 9 years. These age-appropriate short reads have 32 pages and are written by brilliant authors writing stories with relatable characters. They incorporate a large font size and text separated into bite-sized chunks, along with carefully considered letter and paragraph spacing that can reduce visual stress. The series has plenty of practice at one level, allowing consolidation of learning before moving on to more challenging reads. The glossary list of tricky words can aid comprehension before reading the book.