A Multilevel Four-Blocks Reading Strategy. Reading is much more fun when there's more than one! A popular Four-Blocks Literacy Model activity, book club groups is a fun activity for the Guided Reading block that lets teachers use small groups without grouping students by their reading abilities! This resource includes book club groups for: author studies; thinking skills including previewing, predicting, summarizing, and concluding; social studies and science themes; and more. 208 pages.