diff --git a/.github/workflows/gh_pages.yml b/.github/workflows/gh_pages.yml
index de053b3..72345d4 100644
--- a/.github/workflows/gh_pages.yml
+++ b/.github/workflows/gh_pages.yml
@@ -18,7 +18,7 @@ jobs:
           python -m pip install --upgrade pip
           python -m pip install .
           python -m pip install sphinx
-          python -m pip install sphinx_rtd_theme
+          python -m pip install sphinx_book_theme
           python -m pip install sphinx-click
       - name: build documentation
         run: |
diff --git a/.gitignore b/.gitignore
index 1a46f62..5cc1024 100644
--- a/.gitignore
+++ b/.gitignore
@@ -125,3 +125,6 @@ scratch
 
 # VSCode config
 .vscode
+
+
+*_autosummary
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 2ae53ba..c905551 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -16,14 +16,13 @@
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 #
 import os
-import sphinx_rtd_theme
 import sys
 
 # -- Project information -----------------------------------------------------
 
-project = 'farms'
-copyright = '2020, Alliance for Sustainable Energy, LLC'
-author = 'Grant Buster'
+project = "farms"
+copyright = "2020, Alliance for Sustainable Energy, LLC"
+author = "Grant Buster"
 
 pkg = os.path.dirname(os.path.abspath(os.path.dirname(__file__)))
 pkg = os.path.dirname(pkg)
@@ -32,7 +31,7 @@
 with open(os.path.join(pkg, "farms", "version.py"), encoding="utf-8") as f:
     v = f.read()
 
-v = v.split('=')[-1].strip().strip('"').strip("'")
+v = v.split("=")[-1].strip().strip('"').strip("'")
 # The short X.Y version
 version = v
 # The full version, including alpha/beta/rc tags
@@ -48,33 +47,37 @@
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
-    "sphinx.ext.autodoc",
-    "sphinx.ext.autosummary",
     "sphinx.ext.doctest",
-    "sphinx.ext.intersphinx",
     "sphinx.ext.coverage",
-    "sphinx.ext.mathjax",
     "sphinx.ext.viewcode",
     "sphinx.ext.githubpages",
+    "sphinx_click.ext",
+    "sphinx_tabs.tabs",
+    "sphinx.ext.autodoc",
+    "sphinx.ext.autosummary",
+    "sphinx.ext.intersphinx",
+    "sphinx.ext.extlinks",
+    "sphinx.ext.mathjax",
     "sphinx.ext.napoleon",
-    "sphinx_rtd_theme",
+    "sphinx_autosummary_accessors",
+    "sphinx_copybutton",
 ]
 autosummary_generate = True
 
-intersphinx_mapping = {'python': ('http://docs.python.org/3.8', None)}
+intersphinx_mapping = {"python": ("http://docs.python.org/3.8", None)}
 
 # Add any paths that contain templates here, relative to this directory.
-templates_path = ['_templates']
+templates_path = ["_templates"]
 
 # The suffix(es) of source filenames.
 # You can specify multiple suffix as a list of string:
 #
-source_suffix = '.rst'
+source_suffix = ".rst"
 
 # source_parsers = {'.md': MarkdownParser}
 
 # The master toctree document.
-master_doc = 'index'
+master_doc = "index"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -89,7 +92,7 @@
 exclude_patterns = ["_build", ".DS_Store"]
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = "sphinx"
 
 
 # -- Options for HTML output -------------------------------------------------
@@ -97,8 +100,7 @@
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-html_theme = 'sphinx_rtd_theme'
-html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
+html_theme = "sphinx_book_theme"
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
@@ -106,6 +108,9 @@
 #
 html_theme_options = {"navigation_depth": 4, "collapse_navigation": False}
 
+# user starts in light mode
+default_dark_mode = False
+
 html_context = {
     "display_github": True,
     "github_user": "nrel",
@@ -118,7 +123,7 @@
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ['_static']
+html_static_path = ["_static"]
 
 # Custom sidebar templates, must be a dictionary that maps document names
 # to template names.
@@ -134,7 +139,7 @@
 # -- Options for HTMLHelp output ---------------------------------------------
 
 # Output file base name for HTML help builder.
-htmlhelp_basename = 'farmsdoc'
+htmlhelp_basename = "farmsdoc"
 
 
 # -- Options for LaTeX output ------------------------------------------------
@@ -143,15 +148,12 @@
     # The paper size ('letterpaper' or 'a4paper').
     #
     # 'papersize': 'letterpaper',
-
     # The font size ('10pt', '11pt' or '12pt').
     #
     # 'pointsize': '10pt',
-
     # Additional stuff for the LaTeX preamble.
     #
     # 'preamble': '',
-
     # Latex figure (float) alignment
     #
     # 'figure_align': 'htbp',
@@ -161,8 +163,7 @@
 # (source start file, target name, title,
 #  author, documentclass [howto, manual, or own class]).
 latex_documents = [
-    (master_doc, 'farms.tex', 'farms Documentation',
-     'Grant Buster', 'manual'),
+    (master_doc, "farms.tex", "farms Documentation", "Grant Buster", "manual"),
 ]
 
 
@@ -170,10 +171,7 @@
 
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
-man_pages = [
-    (master_doc, 'farms', 'farms Documentation',
-     [author], 1)
-]
+man_pages = [(master_doc, "farms", "farms Documentation", [author], 1)]
 
 
 # -- Options for Texinfo output ----------------------------------------------
@@ -182,17 +180,27 @@
 # (source start file, target name, title, author,
 #  dir menu entry, description, category)
 texinfo_documents = [
-    (master_doc, 'farms', 'farms Documentation',
-     author, 'farms',
-     'The Fast All-sky Radiation Model for Solar applications (FARMS)',
-     'Miscellaneous'),
+    (
+        master_doc,
+        "farms",
+        "farms Documentation",
+        author,
+        "farms",
+        "The Fast All-sky Radiation Model for Solar applications (FARMS)",
+        "Miscellaneous",
+    ),
 ]
 
 
 # -- Extension configuration -------------------------------------------------
 
-autoclass_content = 'both'
-autodoc_member_order = 'bysource'
+autosummary_generate = True  # Turn on sphinx.ext.autosummary
+autoclass_content = "both"  # Add __init__ doc (ie. params) to class summaries
+autodoc_member_order = "bysource"
+autodoc_inherit_docstrings = True  # If no docstring, inherit from base class
+add_module_names = False  # Remove namespaces from class/method signatures
+# Remove 'view source code' from top of page (for html, not python)
+html_show_sourcelink = False
 numpy_show_class_member = True
 napoleon_google_docstring = False
 napoleon_use_param = False