3A Step 2 Step into Reading Science Reader about baby animals. PBS's hit animated show Wild Kratts follows the adventures of zoologists Chris and Martin Kratt as the duo visits animal habitats around the globe. Along the way, they encounter incredible creatures while combining science education with fun. Boys and girls ages 4 to 6 will dive into this deluxe Step 2 Step into Reading leveled reader with the Kratt brothers as they activate their Creature Power suits to creep, crawl, and cuddle with amazing animal babies of all kinds! Step 2 Readers use basic vocabulary and short sentences to tell simple stories. For children who recognize familiar words and can sound out new words with help.