diff --git a/temp_index.py b/temp_index.py
index 6ba9ad8..5184043 100644
--- a/temp_index.py
+++ b/temp_index.py
@@ -1,85 +1,69 @@
+"""Generates PDF cards from a calibre metadata.db."""
+
 from calibrestekje import Book, Comment, Publisher, init_session
 from reportlab.lib.pagesizes import *
 from reportlab.lib.styles import ParagraphStyle, getSampleStyleSheet
 from reportlab.pdfgen import canvas
 from reportlab.platypus import PageBreak, Paragraph, SimpleDocTemplate, Spacer
 
-pagewidth, pageheight = landscape(A6)
-
-doc = SimpleDocTemplate(
-    "text.pdf",
-    pagesize=landscape(A6),
-    rightMargin=18,
-    leftMargin=18,
-    topMargin=0,
-    bottomMargin=18,
-)
 
-content = []
-styles = getSampleStyleSheet()
+def make_cards():
+    """The main entrypoint for card generation."""
+    # TODO: thread arguments into this logic
+    doc = create_doc("text.pdf")
+    content = get_fields(doc)
+    doc.build(content)
 
-session = init_session("sqlite:///metadata.db")
 
-# if book id from book table is the same as book id from comment table, show me that
-for book in session.query(Book).all():
-    for comment in session.query(Comment).all():
-        if (book.id) == (comment.book):
-            print(book.id)
-            print(book.title)
-            print(book.authors)
-            print(book.timestamp)
-            print(book.path)
-            print(book.tags)
-            print(comment.text)
+def get_fields():
+    """Retrieve fields from the metadata."""
+    content = []
+    styles = getSampleStyleSheet()
+    session = init_session("sqlite:///metadata.db")
 
-    # create a paragraph and append content to it - e.g. book.title, book.authors etc
-    ptitle = Paragraph("<font size=12>{}</font>".format(book.title), styles["Italic"])
-    ptime = Paragraph(
-        "<font size=10>Uploaded: {}</font>".format(book.timestamp), styles["Normal"]
-    )
-    pcomments = Paragraph("<font size=10>{}</font>".format(comment.text))
+    for book in session.query(Book).all():
+        ptitle = Paragraph(
+            "<font size=12>{}</font>".format(book.title), styles["Italic"]
+        )
+        ptime = Paragraph(
+            "<font size=10>Uploaded: {}</font>".format(book.timestamp), styles["Normal"]
+        )
+        pcomments = Paragraph("<font size=10>{}</font>".format(comment.text))
 
-    # list comprehensions for authors and tags
-    format_string = "<font size=12>{}</font>"
-    all_authors = [author.name for author in book.authors]
-    glued_together = format_string.format(", ".join(all_authors))
+        format_string = "<font size=12>{}</font>"
+        all_authors = [author.name for author in book.authors]
+        glued_together = format_string.format(", ".join(all_authors))
 
-    format_string = "<font size=10>{}</font>"
-    all_tags = [tag.name for tag in book.tags]
-    tags_glued_together = format_string.format(", ".join(all_tags))
+        format_string = "<font size=10>{}</font>"
+        all_tags = [tag.name for tag in book.tags]
+        tags_glued_together = format_string.format(", ".join(all_tags))
 
-    # format_string = '<font size=10>{}</font>'
-    # all_comments = [comment.name for comment in comment.text]
-    # comments_split_apart = format_string.format("".split(all_comments)[:50])
+        content.append(ptitle)
+        content.append(Spacer(1, 12))
+        content.append(ptime)
+        content.append(Spacer(1, 12))
+        content.append(pcomments)
 
-    # import ipdb; ipdb.set_trace()
+        p = Paragraph(glued_together, styles["Normal"])
+        content.append(p)
+        content.append(PageBreak())
+        content.append(Spacer(6, 12))
 
-    # append the other content
-    content.append(ptitle)
-    content.append(Spacer(1, 12))
-    content.append(ptime)
-    content.append(Spacer(1, 12))
-    content.append(pcomments)
+        p = Paragraph(tags_glued_together, styles["Normal"])
+        content.append(p)
+        content.append(PageBreak())
+        content.append(Spacer(6, 12))
 
-    # alternative way to list multiple authors... (without list comprehensions)
-    # first = True
-    # author_text = ""
-    # for author in book.authors:
-    #     if not first:
-    #         author_text += ", "
-    #     author_text += author.name
-    #     first = False
-    # author_text = "<font size=12>{}</font>".format(author_text)
+    return content
 
-    # gluing together authors, tags
-    p = Paragraph(glued_together, styles["Normal"])
-    content.append(p)
-    content.append(PageBreak())
-    content.append(Spacer(6, 12))
 
-    p = Paragraph(tags_glued_together, styles["Normal"])
-    content.append(p)
-    content.append(PageBreak())
-    content.append(Spacer(6, 12))
-
-doc.build(content)
+def create_doc(filename):
+    """Build the Report Lab document template."""
+    return SimpleDocTemplate(
+        filename,
+        pagesize=landscape(A6),
+        rightMargin=18,
+        leftMargin=18,
+        topMargin=0,
+        bottomMargin=18,
+    )