Centre-piece - apparatus puzzle in which the object is to transpose the positions of two linked sheets of paper - Paperfolding Puzzles - Water Trade - ISBN 0-9534774-0-X

Double-Cross - free-form folding puzzle using two uncut/unmarked squares of differentiated paper - Paperfolding Puzzles - Water Trade - ISBN 0-9534774-0-X

Janus - free-form folding puzzle using a single square of differentiated paper - Paperfolding Puzzles - Water Trade - ISBN 0-9534774-0-X

Juxtaposition - pre-creased folding puzzles involving juxtaposition of two coloured areas - PCOC Play - PCOC 2005 Convention Pack - OrigamiUSA // Complete Origami - Collins and Brown - David Mitchell - ISBN 978-1-84340-397-5

Foursquare - pre-creased folding puzzle using an uncut/unmarked square - Paperfolding Puzzles - Water Trade - ISBN 0-9534774-0-X

Inside Out - free-form folding/manipulation puzzle using a single uncut/unmarked square of differentiated paper - Paperfolding Puzzles - Water Trade - ISBN 0-9534774-0-X

Merlin's mat - pre-creased folding puzzle using an uncut/unmarked square - Paperfolding Puzzles - Water Trade - ISBN 0-9534774-0-X

Quartetra - modular assembly puzzle - 4-part tetrahedron - Paperfolding Puzzles - Water Trade - ISBN 0-9534774-0-X

Serendipity - free-form folding puzzle using two squares of differentiated paper - 1, Paperfolding Puzzles - Water Trade - ISBN 0-9534774-0-X // 2, Set in BOM 188 February 1998 - Solutions in issue 190 - much fuller guide to the many possible solutions than is given in Paperfolding Puzzles

Striptease - free-form folding puzzle using two squares of differentiated paper - 1, Paperfolding Puzzles - Water Trade - ISBN 0-9534774-0-X // 2, Set in Russian Origami Society magazine issue 3 1999 - Solution in issue 1 2000

T-Time - apparatus puzzle based on a modular version of Robert E Neale's Two-Way Tube - Paperfolding Puzzles - Water Trade - ISBN 0-9534774-0-X

Twister - free-form folding puzzle using a square of differentiated paper - 1, Paperfolding Puzzles - Water Trade - ISBN 0-9534774-0-X // 2, Also as Let's Twist Again in BOM 191 August 1998 - solution in issue 192.

Turnover - free-form folding/manipulation puzzle using a single uncut/unmarked square of differentiated paper - Paperfolding Puzzles - Water Trade - ISBN 0-9534774-0-X

Windmill Flexagon - lateral thinking / manipulation puzzle based on a non-twisted flexagon from a square - Origami - Barnes and Noble - ISBN 0-7607-3331-7 // BOM 217 - December 2002 - Solution BOM 218.