Even struggling readers will find it hard to resist our exciting series of eBooks in a variety of popular genres. These stories deal with mature themes involving culturally diverse characters. Written specifically for the struggling reader, these fast-paced books maintain student interest until the last page. Questions at the end of each title test students' strategy skills, vocabulary, and comprehension. Home from college for the summer, Jean and Jared find disturbing changes in the tiny community of Warm Springs. Something suspicious is going on in HybriGene's top-secret laboratory. The twins make it their business to solve the mystery.