A collection of articles about methaqualone (also known as quaalude or mequin) is presented. Article 1 discusses the increasing popularity of the depressant, methaqualone-produced psychophysiological effects, substitute drugs (valium, phenobarbitol, benadryl, and mandrax), overdose and addiction, and decreasing pharmaceutical production. Article 2 reports on China's attempts to tighten export controls over Chinese-manufactured methaqualone. Article 3 reports on a Drug Enforcement Administration alert on counterfeit methaqualone containing high levels of toxic chemicals. Article 4 briefly mentions the increasing production of quaalude and cocaine lookalikes, and article 5 deals with recent physical and chemical changes in the drug. In article 6, changing patterns of methaqualone abuse are detailed, and the final article reports on Florida's ban on the drug. The document concludes with an annotated bibliography of 24 books and articles published between 1971 and 1983. (LH)