“Chinua Achebe, a writer linked to the Biafra propaganda effort, was the main decision-maker on the Board of Directors at Heinemann.

“I received a letter that Chinua Achebe read and accepted my novel, ‘Sade’, for publication for senior secondary schools in Nigeria under the sub-title ‘Sade United We Stand.’

Ms Giwa-Amu said Ms Adichie must have learnt of her book from Mr Achebe since they had a father-daughter relationship. But when Adiche was asked, she replied that had no idea of Biafra was,

But “I wrote this novel because I wanted to write about love and war, because I grew up in the shadow of Biafra,” she said.

She said she “read some books, looked at photos and talked to other people.”

Meanwhile, Ms Giwa-Amu said her copyright licence with the Heinemann books elapsed in 2019 and she wouldn’t stand back to see another rip the fruit of her “efforts.”

“Chimamanda Adichie should not be allowed to reap where she did not sow simply because she was chosen by Achebe to take over from him.

“It is time for Chimamanda to tell the truth and put to rest the ‘ghost of the father of the African novel’ that haunts her work,” she said.

But in everything God Normally see his people through, According to the Wylie agency, a professional independent reader was appointed to read both novels.

“The reader concluded that there was absolutely no basis for Giwa-Amu’s claim and advised that the claim should not be pursued. Giwa-Amu nevertheless continued with the claim,” the statement said.

A Central London County Court order, in February, 2019, struck out Ms Giwa-Amu’s claim and mandated her to pay £14,250 damages to Ms Adichie and her publishers.