Download or read book The Heart of Glass written by Vivian French and published by Candlewick Press. This book was released on 2010 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gracie Gillypott and Prince Marcus embark on a dwarf-watching outing, not knowing that the dwarves are working frantically making crowns for a royal wedding and that they have enlisted some unreliable trolls to help them, thus putting the humans' expedition in peril.