I installed Zope 2.61, PIL 1.1.3 and reportlab on a RedHat Linux server. I was able to generate a PDF if the BackTalk book doesn't have any images in it. Otherwise Zope will give me this in error log: Traceback (innermost last): Module ZPublisher.Publish, line 98, in publish Module ZPublisher.mapply, line 88, in mapply Module ZPublisher.Publish, line 39, in call_object Module Products.BackTalk.BackTalk, line 325, in manage_makePDF Module Products.BackTalk.BackTalk, line 362, in makePDF Module Products.BackTalk.PDFClass, line 288, in __call__ Module Products.BackTalk.PDFClass, line 239, in dispatch Module Products.BackTalk.PDFClass, line 309, in document Module Products.BackTalk.PDFClass, line 403, in bullet Module Products.BackTalk.PDFClass, line 346, in paragraph Module Products.BackTalk.PDFClass, line 431, in image Module Products.BackTalk.Retrievers, line 44, in __call__ AttributeError: height Can someone tell me what could be the cause? Bin