27 books • 6 series
Principals (Community Helpers (Jump))
Counselors (Community Helpers (Jump))
Animal Control Officers (Community Helpers (Jump))
Zookeepers (Community Helpers (Jump))
Pilots (Community Helpers (Jump))
Park Rangers (Community Helpers (Jump))
Wedges
Pulleys (Machines and Motion)
Levers
Día de la Tierra (Earth Day)
Día de la Independencia (Independence Day)
Día del Trabajo (Labor Day)
Surfing (I Love Sports)
Figure Skating (I Love Sports)
Independence Day (Holidays)
Labor Day
Dia de la Tierra (Earth Day) (Fiestas (Holidays))
Día del Presidente (Presidents' Day)
Dia de la Independencia (Independence Day) (Fiestas (Holidays))
Earth Day
Presidents' Day (Holidays (Bullfrog Books))
Dia del Presidente (Presidents' Day) (Fiestas (Holidays))
Dia del Trabajo (Labor Day) (Fiestas (Holidays))
Truck Drivers (Community Helpers (Jump))