diff --git a/CITATION.cff b/CITATION.cff
index fe89c55..eb9427f 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -2,47 +2,18 @@ cff-version: 1.2.0
 message: "If you use this cookbook, please cite it as below."
 authors:
   # add additional entries for each author -- see https://github.com/citation-file-format/citation-file-format/blob/main/schema-guide.md
-  - family-names: Rose
-    given-names: Brian E. J.
-    orcid: https://orcid.org/0000-0002-9961-3821 # optional
-    website: https://github.com/brian-rose # optional
-    affiliation: University at Albany (State University of New York) # optional
-  - family-names: Kent
-    given-names: Julia
-    orcid: https://orcid.org/0000-0002-5611-8986
-    website: https://github.com/jukent
+  - family-names: Romashkov
+    given-names: Lev
+    orcid: https://orcid.org/0009-0006-4640-3800
+    website: https://github.com/rmshkv
+    affiliation: UCAR/NCAR 
+  - family-names: Krumhardt
+    given-names: Kristen
+    orcid: https://orcid.org/0000-0002-8980-056X
+    website: https://github.com/kristenkrumhardt
     affiliation: UCAR/NCAR
-  - family-names: Tyle
-    given-names: Kevin
-    orcid: https://orcid.org/0000-0001-5249-9665
-    website: https://github.com/ktyle
-    affiliation: University at Albany (State University of New York)
-  - family-names: Clyne
-    given-names: John
-    orcid: https://orcid.org/0000-0003-2788-9017
-    website: https://github.com/clyne
-    affiliation: UCAR/NCAR
-  - family-names: Camron
-    given-names: Drew
-    orcid: https://orcid.org/0000-0001-7246-6502
-    website: https://github.com/dcamron
-    affiliation: UCAR/Unidata
-  - family-names: Grover
-    given-names: Maxwell
-    orcid: https://orcid.org/0000-0002-0370-8974
-    website: https://github.com/mgrover1
-    affiliation: Argonne National Laboratory
-  - family-names: Ford
-    given-names: Robert R.
-    orcid: https://orcid.org/0000-0001-5483-4965
-    website: https://github.com/r-ford
-    affiliation: University at Albany (State University of New York)
-  - family-names: Paul
-    given-names: Kevin
-    orcid: https://orcid.org/0000-0001-8155-8038
-    website: https://github.com/kmpaul
-    affiliation: NVIDIA
-  - name: "Cookbook Template contributors" # use the 'name' field to acknowledge organizations
-    website: "https://github.com/ProjectPythia/cookbook-template/graphs/contributors"
-title: "Cookbook Template"
-abstract: "A sample cookbook description."
+  - name: "Ocean Biogeochemistry Cookbook Contributors" # use the 'name' field to acknowledge organizations
+    website: "https://github.com/ProjectPythia/ocean-bgc-cookbook/graphs/contributors"
+
+title: "Ocean Biogeochemistry Cookbook"
+abstract: "This Project Pythia Cookbook covers working with various sources of ocean biogeochemistry data, including Community Earth System Model (CESM) output and observational data. It provides a brief introduction to some metrics important to ocean biogeochemistry, from physical quantities like temperature to biological quantities like plankton biomass. It also demonstrates some of the data science techniques used to work with this information, and provides an introduction to the relationship between modeled and observational estimates."
diff --git a/_gallery_info.yml b/_gallery_info.yml
index 8764ee4..36c90f6 100644
--- a/_gallery_info.yml
+++ b/_gallery_info.yml
@@ -1,6 +1,11 @@
-thumbnail: thumbnail.png
+thumbnail: coccolithophore_kristen_krumhardt.png
 tags:
   domains:
-    - sampledomain
+    - oceanography
+    - climate modeling
+    
   packages:
-    - samplepackage
+    - xarray
+    - cartopy
+    - matplotlib
+    
diff --git a/coccolithophore_kristen_krumhardt.png b/coccolithophore_kristen_krumhardt.png
new file mode 100644
index 0000000..b6a2c9e
Binary files /dev/null and b/coccolithophore_kristen_krumhardt.png differ