All prices include VAT. If you make a purchase using a VAT ID from an EU country outside Germany, you will be charged the net price (not applicable for orders placed during congresses). Depending on the destination country, shipping costs may be added (see terms). Any pre-ordered products are shown in the total as Euro 0 and will automatically be delivered immediately after publication. The invoice will be included in the shipment. One book - one tree: For every Quintessence book sold, we plant a tree, together with the organization “One Tree Planted,” to support worldwide reforestation.