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Releases by Spencer Greenberg

Cover for Spencer Greenberg · Catbug Counts Cupcakes (Paperback Book) (2026)
Paperback Book
Catbug Counts Cupcakes
Spencer Greenberg

Release October 20, 2026

Cover for Spencer Greenberg · Catbug's Out of This World Color Adventure (Paperback Book) (2026)
Paperback Book
Catbug's Out of This World Color...
Spencer Greenberg

Release October 20, 2026

Cover for Spencer Greenberg · Catbug's Farm on Neo-Mars (Paperback Book) (2026)
Paperback Book
Catbug's Farm on Neo-Mars
Spencer Greenberg

Release October 20, 2026

Cover for Spencer Greenberg · The 12 Levers: The Complete Psychological Toolkit for Improving Your Life (Paperback Book) (2026)
Paperback Book
The 12 Levers: The Complete Psyc...
Spencer Greenberg

Release July 30, 2026