Books with title Disney Frozen Elsa's Royal Magic

Elsa and Anna where two Princesses who lived in a far away land called Ardendelle, it was in the Land of the Living Rock. They lived in a castle with their parents the King and Queen of Ardendelle, King Agnarr and Queen Iduna. Elsa was the eldest of the two, she posossed a special power that only a few members of her family members where born to... The power of making snow, when the kings brother King Angus, The Great Angus of the Living Tree heres that his nieces powers are awakening he quickly goes to Adrendelle to sought out the girl and tells her that he to posesses the same power.When they get together they have an amazing time finding out what each other can do with the magic of making snow and turning people into ice.