Description Trish and Josh are packed and ready for a trip to visit Nan. From swimming to hunting for shells, there are many fun activities to enjoy together. But the best is yet to come when they take home two new pets! Stairway Decodables is a supplemental phonics resource that's perfect for supporting small group instruction, independent reading, or reading practice at home. This title provides practice in decoding words with consonant digraphs th and/or sh.