Ball Games  Olympic Sports WinterSports
PAN 0330 292854 from 1984 PAN 0330 2831704 from 1984 PAN 0330 289829 from 1985
      
Water Sports Twisters And Teasers Twisters And Teasers Too
PAN 0330 286978 from 1984 PAN 0330 295489 from 1986 PAN 0330 295470 from 1986
            
Follow That Clue  Nursery Rhymes Word Games
PAN 0330 298461 from 1987 PAN 0330 289810 from 1985 PAN 0330 267485 from 1985
 
Joke Book Invisible Ink Word Games 2
PAN 0330 303805 from 1988   PAN 0330 28133X from 1983
  
Tony Knight recalls his involvement in this (spoof?) article.

The other titles in the series are listed below. I tried to request the twelve titles that the
British Library has but it was turned down as they were just 'cheap children's books!'

    
Codebreakers
Deborah Manley
0330 295624 1986

Crazy Cook
Anni Axworthy
0330 283774 1984

Galactic Invaders
Naomi Games
0330 283782 1984

Invaders in Space
Naomi Games
0330 286986 1985

Animal Magic
Naomi Games
0330 295632 1986

Treasure Hunt
Scoular Anderson
0330 303856 1988

Mystery Pictures 1
Michael Holt
0330 266543 1982

Mystery Pictures 2
Michael Holt
0330 280775 1983

Number Games 1
Michael Holt
0330 267493 1982

Number Games 2
Michael Holt
0330 281348 1983

Dinosaur Puzzle Book
Richard Dawson
0330 303813 1988

Puzzle Book of Monsters
Alison Boyle
0330 303821 1988

Animal Counting Book
Deborah Manley
0330 303872 1988

Crazy Haunted Castle
Peter Sims and Jessie Sims
0330 304658 1988

Christmas Fun Book
Deborah Manley
0330 304666 1988

Zoo Fun Book
Richard Dawson
0330 305166 1988

Spotty and Striped Puzzle Book
Naomi Games
0330 298038 1987

Amazing Animal Puzzle Book
Groom and Pickerill
1988

Secret Agent's Puzzle Book
Alison Boyle
0330 303848 1988

A.B.C.Fun Book
Deborah Manley
0330 303864 1988