I do combine shipping at 0.50 per item if it doesn’t calculate your total correctly. Use the cart and request a total top right total and I’ll invoice ya with the correct total as fast as I can. I do my best not to sell books lower than a 9.2 on here to avoid bad feedback. I ship very well the way I want my books shipped in Gemini mailers blanks and bubble wrap. Every book come bagged and boarded well protected thanks.