package.json

 {
   "name": "mfgames-writing-format",
-  "version": "0.10.1",
+  "version": "0.10.2",
   "description": "A command-line framework for formatting books into a variety of formats.",
   "repository": {
     "type": "git",

src/image.ts

@@ -111,6 +111,9 @@ function getFormatImageRequest(content: ContentArgs, href: string, imagePath: st
 function processImage(content: ContentArgs, imageRequest: FormatImageRequest): Promise<FormatImageRequest> {
     // Make a little noise.
     content.logger.debug(`Processing image ${imageRequest.id}: ${imageRequest.imagePath}`);
+    let FileType = require("file-type");
+    let imageMime = FileType(imageRequest.buffer);
+    content.logger.debug(`File Type: ${imageMime}`);
 
     // Start by reading in the image.
     var promise: Promise<any> = jimp.read(imageRequest.imagePath);