Passport book is a regular your passport and passport cards much like plastic ATM card.
Passport Book->
Valid for international travel by air, sea, or land.
10 years for adults, 5 years for minors under 16
Size5’’ x 3.5’’ when closed
Globally recognised: Yes
Passport Card->
International travel by land and sea only. Valid for travel. Not valid for international travel by air.
10 years for adults, 5 years for minors under 16
Wallet-sized/ Credit card Size
Globally recognised: No