Crossword puzzle clue "treasure hunt step 5 read these starting east and congratulations"

TREASURE HUNT STEP 5: Read these (starting east) ... and congratulations!

TREASURE HUNT STEP 4

TREASURE HUNT STEP 2 (include black squares)

TREASURE HUNT STEP 3

TREASURE HUNT STEP 1: Where to start

Starting a project ... and what the letters between the starting and ending pairs of letters in each starred answer are doing?

Mysteries starting with "The Tower Treasure" and "The House on the Cliff"

Where a treasure hunt began