Jack and Annie came to old Japan which ninjas lived in. Near the tree house were wild stream and two ninjas same as the picture in the ninja book.

Jack and Annie crouched below the window for two ninjas not to look at them.

But while Jack studied about ninja from the ninja book, the two ninjas noticed that Jack and Annie were in the tree house.

After that, Jack and Annie pulled the rope ladder into the tree house for two ninjas not to come in.

But two ninjas just leaped the tree trunk and then climbed the tree and finally they came into the tree house.