Puzzle 4

Imprint left by a shoe in the mud.

Sea creature like a prawn, oyster or crab.

A person trained to go to space.

Spare chamber for visitors.

Saint whose feast day is associated with romance.

Puzzle with clues and intersecting words.

Fail to remain impartial.

Combine __, enormous farm machinery.

Child's story about witches, princes, dragons.

Scientific analysis of crime evidence like DNA.