Discover the amazing adventures of your favorite Little Passports pen-pals, Sam and Sofia, in this three-title chapter book set! Will Sam and Sofia solve the case of the missing crocodile mummy in Egypt? Will they track down a new friend’s missing musical instrument in Australia? Will they finish their adventures in Mexico in time to see the shadow of a snake slither down the famous Maya pyramid El Castillo? Experience the adventures for yourself with this globetrotting series.

Want to see more of Sam and Sofia’s travels? Continue the adventure with our World Edition subscription box!