Hints & Solutions Edit
Highlight the white text inside the block for hints ranging from vague to specific...
This is a river crossing logic puzzle.
Remember that only one creature, no matter how small, can cross from right to left.
Remember that IN the boat during the crossing counts as "being alone with"...
The boat isn't always full crossing from Left to Right.
The Houyhnhnm crosses sometime before the Laputan, which crosses sometime before the Brobdingnagian.
The Yahoo can be alone with the Brobdingnagian.
The first crossing is the Houyhnhnm and the Yahoo.
The last race left alone on the left bank is a BALNIBARBIAN