* A poorly written almanac: This could be an almanac with factual errors, poor organization, or lacking interesting content.
* A poor person's almanac: This could be a simple, basic almanac intended for people with limited resources.
* A satirical take on almanacs: This could be a humorous piece that mocks the traditional almanac format.
Without more context, it's impossible to determine the exact meaning of "Poor Almanac" and who might have written it.
Please provide more details or context to get a more specific answer.