In this science fiction book, Taj and Tessa work as Color Mixers in Antarctica. Only a select few are allowed in this secret laboratory, where the colors of the world are created and assigned. When Tessa accidentally deletes the color blue, her mistake reverberates across the planet. Will they find a way to bring blue back to the world? Students will enjoy this illustrated sci-fi book that features compelling text, grade-appropriate vocabulary, and chapter format to build reading comprehension, vocabulary, and fluency. This hi-lo reader is perfect for students who need high-interest, low-readability books.