The Old Treehouse

This is Book 137 in the Tas and Friends series.

In this story, the friends find another treehouse. No new blends are introduced but the following final blends are treated; 'st' as in nest, 'nd' as in bend, and 'ng' as in among. The following sight words are treated. balcony, bark, follow, mystery, photograph, and shelf.

Final blends: st, nd, ng