Also known as: バイオレットブック
An item in Pokémon Violet. It was written by Heath (Pokemon), and depicts Miraidon on its cover. Its counterpart is the Scarlet Book (Pokemon).
There exist multiple copies. Heath's original copy was passed down to his descendant, Briar (Pokemon). Another copy was given by Professor Turo to Arven (Pokemon), who gives it to the player,
who in turn gives it to AI Turo. The player can later receive another copy from a time-displaced version of Turo.