The book of lost tales

This book is part of 'The History of Middle-earth' series and presents the earliest versions of the myths and legends that would eventually become 'The Silmarillion'.

It includes stories such as 'The Cottage of Lost Play', 'The Music of the Ainur', and 'The Coming of the Valar and the Building of Valinor'.

The tales are set within a narrative frame where a mariner named Eriol learns the true history of the Elves from the inhabitants of Tol Eressëa.

The book provides an insightful look into Tolkien's creative process and the development of his mythological world.