quiz 4 prep

site/posts/differential-review-6.html

@@ -1,5 +1,8 @@
 [!]
 [=post-]
+<p>
+    <i>This post is part of a series. You can read the next post <a href="[^baseurl]/posts/differential-quiz-4.html">here</a>.</i>
+</p>
 <p>
     Welcome back for yet another week! We're officially in the latter half of the semester now, and things are heating up. We have yet another quiz
     on Thursday, June 26th; the second midterm is in just two and a half weeks on Wednesday, July 9th. The semester ends with our very long final exam on July 31st,