Poul Anderson 
Earth Book of Stormgate 
A Polesotechnic League Book

'Behold these annals from the Discovery and on through the World-Taking.This is the tale as told by Terrans, who walk the earth.Then read.’THE EARTH BOOK OF STORMGATE POUL ANDERSON’S MIGHTY EPIC OF FUTURE HISTORYThe full length story forming the core of the chronicle of the expansion of earthmen into the inhabited galaxy . . . from the Earth Book kept in the Stormgate archive of the great winged race of Ythri.