The "Sin City" star, who has two daughters, Honor, four, and Haven, 17 months, with her husband Cash Warren, decided to write the book after becoming frustrated with the lack of trustworthy parenting information available to new mothers.
The actress gives readers an insight into her home life in the book, The Honest Life, which promotes healthy, clean living for busy families, reported Daily Star.
"The Honest Life recounts Alba's personal journey of discovery and reveals her tips for making healthy living fun, real, and stylish, while offering a candid look inside her home and daily life... Her solutions are easy, chic, and down-to-earth: they're honest," a statement on Alba's lifestyle website read.