Meaning: Evan Hunter, also known as Ed McBain, was a prolific and versatile writer who penned numerous novels, short stories, and screenplays. The quote you provided offers insight into his creative process and the different mindsets he adopts depending on the type of work he is undertaking.

When Hunter speaks of coming to the writing desk with entirely different mindsets depending on what he's working on, it reflects the multifaceted nature of his writing career. This quote suggests that he approached different forms of writing, such as novels, short stories, and screenplays, with distinct mental attitudes and approaches.

For instance, when tackling a novel, Hunter may have entered the writing process with a mindset geared towards sustained storytelling, character development, and the intricacies of plot construction. This may have involved a deeper immersion into the fictional world he was creating, allowing him to inhabit the minds of his characters and navigate the complexities of a longer narrative.

On the other hand, when shifting to the realm of screenwriting, Hunter might have approached the writing desk with a completely different mindset. Screenwriting often demands brevity, visual storytelling, and a keen understanding of the cinematic medium. Therefore, his mindset when working on a screenplay may have been focused on crafting concise dialogue, structuring scenes for maximum impact, and considering the practicalities of translating the written word to the visual realm.

The notion of "another writer on the scene" when transitioning from one form of writing to another underscores the adaptability and range of Hunter's creative abilities. It suggests that he was able to inhabit different creative personas, each suited to the specific demands of the medium he was working in. This adaptability likely contributed to the breadth of his literary output and the success he achieved in various genres and formats.

Hunter's ability to switch mindsets depending on the type of writing he was undertaking also speaks to the importance of understanding the unique requirements and conventions of each form. It highlights the fact that different modes of writing, whether it be novels, short stories, or screenplays, demand distinct approaches and mental attitudes. This level of flexibility and versatility is a valuable asset for any writer, allowing them to navigate diverse creative challenges and excel in multiple arenas.

In conclusion, Evan Hunter's quote provides valuable insight into the diverse mindsets he adopted when approaching different forms of writing. It sheds light on the adaptability and versatility that characterized his creative process, ultimately contributing to his success as a multifaceted author and screenwriter.