Hetty risks getting into serious trouble with Matron when she makes a desperate promise.

Hetty is shocked when a wealthy couple want to adopt one of her friends.

Hetty has a surprise visitor with important news, but can she meet him without getting caught?

Gideon tells a lie, which gets Hetty into trouble, and Matron has mysteriously disappeared.

Hetty is determined to discover what secret Matron is hiding in the basement.

A tragic accident brings Hetty and Sheila together to find the truth.

Hetty is excited when an explorer talks about her adventures, and there's a snake on the loose.

Hetty plays a practical joke on Matron that has frightening consequences for everyone.

Hetty discovers news that will change her life forever.