Mimi reads an ad and thinks, "Hmm, would this make a great vacation home for a mystery writing grandmother and her family and friends." Soon, Christina and Grant are whisked off aboard the Mystery Girl airplane with Mimi and Papa to Transylvania, Romania where they meet up with a strange real estate agent, tour the famous castle, meet some odd new kid friends, learn about vampires, and meet up with Count dracula himself! More about the Around the World in 80 Mysteries series: Travel around the world with Christina and Grant as they visit famous places in 80 countries. Exciting adventures include history, geography, culture, and more of each country they visit. A fun way to learn about fascinating places around the world! Each book includes a map, inline glossary definitions, and lots more! Kids can visit the www.carolemarshmysteries.com website to: Join the Carole Marsh Mysteries Fan Club! Write a letter to Christina, Grant, Mimi, or Papa! Cast their vote for where the next mystery should take place! Find fascinating facts about the countries where the mysteries take place! Track their reading on an international map! Take the Fact or Fiction online quiz! Play the Around-the-World Scavenger Hunt computer game! Find out where "The Mystery Girl" is flying next! And more!!!! Read all the books in any order!!!