There's no better feeling than putting on a cozy pair of pajamas and snuggling up with a great book before bed. Make their nightly ritual even more memorable by bringing their favorite books to life with these adorable pajama sets! Based on the beloved children's book "The Little Engine that Could" your little ones will love wearing this super soft pajama that features the same things that appear in the book. We think that this extra special pajama set might just become their new favorite!