By Emma Berry and Brian Sheerin NEWMARKET, UK--And breathe. Book 1 is over, galloping out the door after a three-day bonanza of record returns, the highest-grossing single day of horse trade in Europe, and the world's most expensive yearling of 2022. What this all means for next week and Books 2, 3 and 4 of the October Yearling Sale is anyone's guess, but a safe bet would be that all those potential buyers so frustrated at playing bridesmaid during Book 1 still have rolls of grubby fifty-pound notes burning holes...