Epicentre's 2003 catalog contains a selection of time-saving kits and reagents. New products include CopyControl™ Cloning Systems for constructing genomic libraries and for PCR cloning, the DuraScribe™ T7 Transcription Kit for making RNase-resistant RNA transcripts, the SoilMaster™ DNA Extraction Kit, and kits for real-time PCR and RT-PCR. New information about AmpliScribe™ High Yield Transcription Kits, the FailSafe™ PCR System, EZ:TN™ HyperMu™ Transposon Tools, and the Fast-Link™ DNA Ligation Kit is presented.