Slide Island & The Planes are the first two stories included in the "On The Next Day Series" of books developed to help your young reader master the critical suggested first 100-120 high frequency sight words. These stories also allow the reader to write their conclusion on how the story ends "On The Next Day" using the 100-120 high frequency sight words. The spelling and recognition of these high frequency sight words are required by many school districts across the country for a student to successfully complete First Grade. These stories will also provide a priceless keepsake to share and review years down the road with your family.