**No purchase necessary. Free handbook is open to customers in the US (excluding Puerto Rico) and Canada. Offer will apply to qualifying requests received by Life Technologies no later than [insert date] or until handbook supplies are depleted, whichever comes first. Limit 1 handbook per customer. Healthcare professionals may not participate in this promotion. Cannot be combined with other discounts or promotions. Offer void where prohibited, licensed or restricted by federal, state, provincial, or local laws or regulation or agency/institutional policy. Other restrictions may apply.