i can't clear a written book (given by command block)

so i made a book created with a json inside
but when i clear that book from my inventory it always won't work

-i give a player a written book with this command

/give @p written_book 1 0 {pages:["{\"text\":\"\",\"extra\":[{\"text\":\"\n\"},{\"text\":\"\n\"},{\"text\":\"\n\"},{\"text\":\"\n\"},{\"text\":\"This Is \",\"color\":\"black\",\"bold\":\"true\"}}]}"],title:Armor,author:Khizami}

and then i clear that with this command

clear @p written_book 0 1 {display:{Name:"Armor"}}

-and it won't gone from my inventory.. i need to rename that with a anvil to make the command works.. please help