Owing to personal circumstances, the expected delivery of the manuscript of One in Five has been delayed. Essays for the anthology are still being accepted. If you have any questions, please email support@unbound.co.uk. 

https://unboundhelp.zendesk.com/hc/en-us/articles/4411152709649-The-book-I-ve-supported-has-reached-its-funding-target-What-happens-next