diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b127286..d0eed6f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -29,7 +29,7 @@ jobs:
     - name: Set up Emacs
       uses: purcell/setup-emacs@master
       with:
-        version: ${{matrix.emacs_version}}
+        version: ${{ matrix.emacs_version }}
 
     - name: Install Eldev
       run: curl -fsSL https://raw.github.com/doublep/eldev/master/webinstall/github-eldev | sh
diff --git a/finito-buffer.el b/finito-buffer.el
index f86c46c..ab96731 100644
--- a/finito-buffer.el
+++ b/finito-buffer.el
@@ -292,7 +292,7 @@ BOOK-ALIST is an alist of the format returned by `finito--create-book-alist'"
                             nil
                             'equal))
             (bound-and-true-p finito--show-reviews))
-    (when review
+    (when (and review (not (s-blank-p review)))
       (let ((review-header "Review:"))
         (insert review-header)
         (overlay-put (make-overlay (point) (- (point) (length review-header)))
diff --git a/finito-graphql.el b/finito-graphql.el
index 371f2c0..29898b2 100644
--- a/finito-graphql.el
+++ b/finito-graphql.el
@@ -201,7 +201,7 @@
 
 (defconst finito--review-book-mutation-variables
   "{
-     \"review\": \"%s\",
+     \"review\": %s,
      \"book\": {
        \"title\": \"%s\",
        \"authors\": %s,
diff --git a/finito.el b/finito.el
index 60714d0..672c222 100644
--- a/finito.el
+++ b/finito.el
@@ -173,6 +173,7 @@ CALLBACK is called with the parsed json if the request is successful.
 If SYNC is non-nil make the request synchronous.  If errors are detected
 in the graphql response body, then call GRAPHQL-ERROR with the first error
 as a symbol."
+  (when finito--debug (message "Finito request content: '%s'" request-plist))
   (request (finito--host-uri)
     :type "POST"
     :headers (plist-get request-plist :headers)
@@ -840,17 +841,20 @@ Note this overwrites any existing review."
           (coll-buf (current-buffer))
           (buf (generate-new-buffer (format "%s Review" (alist-get 'title book)))))
      (with-current-buffer buf
+       ;; TODO make a major mode
        (local-set-key
         (kbd "C-c C-c")
         (lambda () (interactive)
           (finito--make-request
            (finito--review-book-request-plist
             book
-            (buffer-substring-no-properties (point-min) (point-max)))
-           (lambda (&rest _) (format "Added review for '%s'" (alist-get 'title book))))
-          (kill-buffer-and-window)
-          (with-current-buffer coll-buf
-            (revert-buffer)))))
+            (json-encode-string (buffer-substring-no-properties (point-min) (point-max))))
+           (lambda (&rest _)
+             (with-current-buffer coll-buf (revert-buffer))
+             (format "Added review for '%s'" (alist-get 'title book))))
+          (kill-buffer-and-window)))
+       (when-let ((review (alist-get 'review book)))
+         (insert review)))
      (pop-to-buffer buf '(display-buffer-below-selected . nil))
      (message "Use C-c C-c to submit the review"))))