"No"@en . . . "Book of equilibrium"@en . . "0"^^ . . . . "The secrets of Void Knight combat."@en . "No"@en . . . . "0.5"^^ . "No"@en . . "Read it to get your reward; it is destroyed in the process."@en . "2010-10-06"^^ . . "The Void Stares Back"@en . . "No"@en . "Book of equilibrium"@en . "No"@en . "1"^^ . "The book can be used on any of the following skills: \n* Attack \n* Strength \n* Defence \n* Magic \n* Ranged \n* Summoning \n* Prayer"@en . . "0"^^ . "never"@en . . "19791"^^ . "Yes"@en . "The book can be used on any of the following skills: \n* Attack \n* Strength \n* Defence \n* Magic \n* Ranged \n* Summoning \n* Prayer"@en . "No"@en .