Herwig Wolfram's HISTORY OF THE GOTHS is probably the best one-volume survey volume, perhaps the only, available on the Gothic tribes. These tribes, the quintessential "barbarians" who sacked and then succeeded the Western Roman Empire, were an amalgam of Germanic and Slavic bloodlines, who ultimately ruled large sections of the former Empire, and most notably Iberia.
As Wolfram admits, "A Goth was anyone who said he was," and the book suffers from the same lack of focus. Although attempts are made to discuss the social structure, culture, and history, military and otherwise, of the Goths, the discussions are superficial, rambling, and without point, and leave the reader feeling inconclusive. Wolfram seems fearful of drawing conclusions in this book, as if hypothesis or informed opinion might make him seem an irresponsible historian.
Who, after all, were these people, and why did they ravage Europe, and why were they so, finally, inestimably incapable of sustaining their identity? The book begs answers.
In part, the fault may be the writing style, which is textbook dry and lacks any sense (or attempt) at vividness. Wolfram's Goths are museum pieces, not a living, breathing community of people.
The scholarship of this work is exhaustive and astounding. Over half the book is comprised of Author's Notes and Bibliography. Certainly, if the reader has an abiding interest in Gothic history, this is a wonderful sourcebook for other, primary, materials.
Reading much more like a dissertation than a popular work of history, HISTORY OF THE GOTHS is a tedious and boring read, unless, like the author, you find these vanished people compellingly fascinating.