[Same Issue]* Invalid book tag * - Cause by BookName too long

Here is the command.

Fault
/give @p written_book 1 0 {title:"This a long name of book",author:"System",pages:["

{text:\"Is this a BUG?\"}

"]}

Correct
/give @p written_book 1 0 {title:"Short name",author:"System",pages:["

{text:\"Is this a BUG?\"}

"]}

I am disappointed about this , and I wish Mojang could fix this.
Finally , sorry for my bad English , I am a Taiwanese Minecraft Lover.