Show your students a world they’ve never seen before with Underwater Encounters. These hi-lo intervention books present the weirdest, coolest, and most majestic creatures under the sea. They also include an ecology page, perfect for including in environmental units. Written at a grade 4 reading level, these books will captivate your struggling readers in middle school or even high school. There are 10 books to choose from. Guided reading level: S.