Download or read book The Cave Twins written by Lucy Fitch Perkins and published by . This book was released on 1916 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: One in a series of stories that introduce a period of history and a geographical location through the adventures of twins. Here, cave twins Firetop and Firefly take us to prehistoric times when man was a hunter and wore the skins of animals.