Saddleback Pub Theme: Hi-Lo, Life lessons, values, identity, good vs.evil, temptation 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. Written specifically for struggling readers to explore genres, like mysteries and science fiction, these fast-paced books hold student interest until the last page. Questions at the end of each title promote cognitive development by making students think about vocabulary, comprehension, character, and plot.