Try this @hyperfundit : do a chapter list with headings on a blank doc, and then open one Google/cloud tab for each chapter doc or story part. Write one sentence on each page, in each tab, maybe the last sentence. There... now you've got your whole book in one browser. You just need to expand on it and it'll be done in no time!
You could also read Do Androids Dream of Electric Sheep? by Philip K Dick (!)