Peril in the Palace (AIO Imagination Station Books);

The place? China in 1271. The quest? The golden tablet of Kublai Khan. The problem? Just about everything!
The Imagination Station adventures continue as cousins Patrick and Beth are kidnapped by Mongol warriors. Only the friendship of fellow traveler Marco Polo saves them from harm. They are brought to the Mongol palace, where the Kublai Khan dislikes both their gifts and their message about Christianity. The tension grows when the Mongol magicians challenge the cousins to a spiritual power showdown. As war breaks out, Beth and Patrick are locked in a secret room to prevent their escape.
How do the cousins get the golden tablet they need to save Mr. Whittaker’s friend Albert? How do they escape the city and find the Imagination Station? Enter the perilous palace and find out!