Charna Halpern (Halpern, Charna)

English

• 
  Art by Committee: A Guide to Advanced Improvisation
  by Charna Halpern
  Softcover, Meriwether Publishing, Limited, ISBN 1566081122 (1-56608-112-2)
• 
  Group Improvisation: The Manual of Ensemble Improv Games
  by Peter Campbell Gwinn, Charna Halpern
  Softcover, Meriwether Publishing, Limited, ISBN 156608086X (1-56608-086-X)
• 
  Group Improvisation: The Manual of Ensemble Improv Games
  by Peter Gwinn, Charna Halpern
  Softcover, Meriwether Pub, ISBN 1566081386 (1-56608-138-6)
• 
  Truth in Comedy: The Manual of Improvisation
  by Charna Halpern, Del Close, Mike Myers, Arthur L. Zapel, Kim H. Johnson
  Softcover, Meriwether Publishing, Limited, ISBN 1566080037 (1-56608-003-7)

Spanish

• 
  La Verdad En La Comedia / The Truth In Comedy
  by Charna Halpern, Kim Howard Johnson
  Softcover, Ediciones Urano, ISBN 8497770080 (84-9777-008-0)