a runic book

The book is heavy and seems precious. Several Angerthas runes have been drawn on its cover, with golden leaves: . . . . .. |\\/ \\_/ | |\\ /| | | | --=o | o | |\\| | \\/ o \\| | /| /|\\ o=-- |/\\ | | \\ | /| | / | / | \\ . . Within the pages of this book are interesting instructions to learn the process of making potions and spells. To examine it more closely, hold it and read it.

It is a runic book.
It weighs four pounds.

You identify a runic book.
It is an unsellable object.
It weighs four pounds and seven ounces, and it is worth about one lauren and one celeb.
Its keywords are book, runic, and formula.