On Iberlibro.com, find the lowest total price, including shipping to the United States, for a new, hardcover, first edition copy of 'Harry Potter y la piedra filosofal' in Spanish. Provide the total price in EUR and its ISBN-13.
Navigate to iberlibro.com. Search for 'Harry Potter y la piedra filosofal'. Apply the 'Nuevo' (New) condition filter. Apply the 'Tapa dura' (Hardcover) binding filter. Apply the 'Primera edición' (First edition) attribute filter. Confirm that the language of the results is Spanish. Sort the results by 'Precio más bajo' (Lowest Price). Examine the top listings and calculate the total price (item price + shipping to the United States) for each. Identify the listing with the lowest total price. Extract the lowest total price in EUR and the ISBN-13 of that listing.
All specified filters (New, Hardcover, First Edition) are correctly applied. The results are confirmed to be in Spanish. Results are sorted by 'Precio más bajo'. The agent correctly calculates the total price (item price + shipping to the United States) for relevant listings. The agent correctly identifies the listing with the lowest total price. The agent correctly extracts the ISBN-13 of the identified lowest-priced listing. State the lowest total price in EUR and the ISBN-13.