Notice: Private Molecular Cloning Sale to CSHLP Customers, free shipping does not apply to this offer. 30% sale offer on selected titles expires October 31st, 2014. 20% discount available for a limited time on these titles. Save up to 75% off pricing on Deep Discount titles while supplies last, free shipping does not apply. Discounts apply to direct website purchases by individual customers. Free shipping to individuals in US and Canada only.