Sylvia Anderson first episode of a series then sharing the work according to their strengths. Gerry tended to specialise in special effects and hardware, and Sylvia in character, voices, costume, dialogue, and plotlines. In this way, Anderson contributed plot development and voice work for a series of half-hour shows including "Supercar", "Stingray" and "Fireball XL5". However, she felt the half-hour format was insufficient to fully develop characters and stories, and she persuaded the team's TV producer Lew Grade to extend their shows to a full hour. In the early 1960s, the Andersons co-created the series "Thunderbirds", and Sylvia created the characters. She
Gerry Anderson's Gemini Force One skilled storyteller, weaving together narrative strands into one compelling experience", and as a Young Adult novel, a young reviewer as part of the Guardian's Children's Book site described it as "a really fun book that will never get old." Reviewers were also keen to make comparisons to Anderson's previous TV series "Thunderbirds", with "What Culture" describing the book as "the true successor to "Thunderbirds’" crown." Gerry Anderson's Gemini Force One Gerry Anderson's Gemini Force One or simply Gemini Force One is a series of science fiction books developed by television producer and writer Gerry Anderson before his death in 2012.