ISBN-13: 9781451592283 / Angielski / Miękka / 2011 / 34 str.
The Thistlewhistles is an educationally entertaining children's book pointed toward reinforcing the oral language development of the 'wh' and 'th' sounds.. It also assists in learning social constructs and cultural mores to achieve family harmony. The book is accompanied by an instructional guide with suggestions and ideas for furthering learning in these areas. It is, at its core, an experience of fun for the entire family.