Ralph Helfer

Sách
Modoc Modoc
Modoc
2009
The Beauty of the Beasts The Beauty of the Beasts
The Beauty of the Beasts
2014
The World's Greatest Lion The World's Greatest Lion
The World's Greatest Lion
2012
Zamba Zamba
Zamba
2009

Sách Nói
Modoc Modoc
Modoc
2019
The World's Greatest Elephant (Unabridged) The World's Greatest Elephant (Unabridged)
The World's Greatest Elephant (Unabridged)
2019