Sohrab is the designated "Sherlock Holmes" of the Barnard Star, his spaceship home in outer space, where he has lived his entire life. When the captain of the ship announces someone has been stealing water rations, Sohrab and his brother Bruno are determined to find the culprit and solve the mystery! With full-color illustrations and a short chapter format, this 32-page sci-fi book will capture the interest of both reluctant and avid readers who enjoy science fiction and mystery stories. The hi-lo text is perfect for students who need high-interest, low-readability books.