Note: please view sample PDF version at songofexistence.org before purchasing. The book has been checked for quality. If you are nevertheless unsatisfied with your purchase, please contact info@songofexistence.org for a refund.] An in-depth, inspirational commentary on Perek Shira, including color pictures, based on extensive and meticulous research. You can also watch beautiful videos of the creatures, there songs, and their life-lessons on songofexistence.org, TorahAnytime.com, and Aish.com . The author can be contacted at info@songofexistence.org for questions and for discount information.