The Lost Ball Activity Book is a junior infant activity book as part of the Reading Zone series published by Folens. This activity book accompanies the reader The Lost Ball. This book teaches the children to read and write key words from the reader. Each page deals with a word and has activities such as, trace with your finger, and trace the dotted line to write the letter. There are several colouring exercises, as well as true-or-false activities. The last page shows each word that the child is familiar with. This helps the child to get a sense of achievement after learning all 21 key words!