"Penny Allen and the Mystery of the Hidden Treasure" is an exciting adventure for children, written by the author Jean Littleton McKenney. In this book, the main character, resourceful and brave Penny Allen, goes in search of a mysterious treasure. Together with her friends, she solves mysteries, helps others and overcomes dangers. Can Penny find a treasure that has been hidden since ancient times? Readers will discover new worlds with her and learn valuable life lessons. The book, which tells about true friendship, faith in the victory of good and the importance of mutual help, will fill your evenings with the magic of adventure and unparalleled experiences.