+ Booklist 17:37 O ’20
“Anthropology and adventure are jumbled—naively, at times—in this story which, for all its prehistoric licence, still clings to the technique of Stratemeyer and other weavers of juvenile romance.” L. B.
− + Freeman 1:526 Ag 11 ’20 280w
“A troublesome fault is the author’s imaginative cocksureness. A higher degree of vagueness would actually have yielded an impression of greater exactness here. But where all is dark and chaotic, much must be forgiven to the first imaginative explorers. It is certain that Mr Langford’s book will fruitfully awaken the interest of the young in the remote past of the race, nor will maturer minds read it without some fresh light on dim places.” Ludwig Lewisohn
+ − Nation 111:190 Ag 14 ’20 260w
“The characterization of the Mammoth and the Rhinoceros is not the least clever part of this whimsical, fanciful and yet true story of this little, prehistoric man, and it is with real regret that the book is laid aside as the story closes.”
+ N Y Times p18 S 19 ’20 650w
“An unusual and a powerful juvenile. The spirit and narrative of the book will be enjoyed even by children too young to attempt the reading for themselves.” R. D. Moore
+ Pub W 97:1296 Ap 17 ’20 180w Springf’d Republican p11a Ag 22 ’20 300w Wis Lib Bul 16:198 N ’20 60w