'Unearthly Steamer') is a book which consists of a collection of Bengali poetry by Bangladeshi author Humayun Azad.

[1] The poems in the book are able to foreshadow the mainstream and style of broad thought in Azad's later life poetry.

[2][3] The book consists of poems written by Humayun Azad when he was a Dhaka University student from 1964 to 1968 and also when he entered in his job life in late 1960s decade; some poems were written in the early part of the 1970s decade, included in this book.

Aulaukik Istimaar was published in 1973, it was the year when Azad went in Scotland for doing PhD in linguistics from University of Edinburgh.

In 1973 when the book was first published Azad was described as 'Bangladeshi young urban poet' by readers community.