Puzzle 5

A written promise or assurance.

Chilling suspense novels.

Grilled meat on a bun.

Having no feelings, pity or mercy.

Home up high among branches.

Impossible to put a value on.

Insertion of medicine into the body with a syringe.

Large rotating wheel on the banks of the Thames.

Minuscular metal device under the skin of a pet.

Secret communication using dots and dashes.

The __, Mary Norton's tales of tiny people.

Trickster, swindler, hustler.

What elderly people talk about when reminiscing.