"Mysterious Prague" is a hardcover nonfiction book written by Lucy Seifert. Published in 2000 by Petr Prchal in the United States, the book is targeted towards a wide range of audiences including children ages 4-12 and adults. The unique feature of the book is its pop-up elements, adding an interactive element to the mysterious narrative about Prague. The English language book offers a captivating story and stunning visuals for readers of all ages.