Not at all! Although the material is presented in a way that appeals to youths, the information is based on timeless Scriptural principles, and all of us can benefit from these spiritual provisions.
صَحِيحٌ أَنَّهَا تُعْرَضُ بِطَرِيقَةٍ تَرُوقُ لِلشَّبَابِ ،‏ لٰكِنَّهَا تَحْتَوِي عَلَى مَعْلُومَاتٍ مُسْتَمَدَّةٍ مِنْ مَبَادِئِ ٱلْكِتَابِ ٱلْمُقَدَّسِ ٱلَّتِي لَا يَحُدُّهَا زَمَنٌ .‏